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<ul class="summary-list"><li>This year's full harvest moon is also a supermoon, and it's rising early Tuesday evening.</li><li>There will also be the last partial lunar eclipse of the year later, Tuesday evening. </li></ul><p>There are a couple of reasons to check out the upcoming <a target="_blank" class="" href="https://www.businessinsider.com/full-moon-names-meaning-origin-lunar-calendar-2023">harvest moon</a>. First, it's a supermoon, meaning it will appear slightly bigger and brighter in the night sky than a typical full moon.</p><p>Second, it coincides with the last <a target="_blank" class="" href="https://www.businessinsider.com/see-strawberry-moon-partial-lunar-eclipse-friday-2020-6">partial lunar eclipse</a> of the year. So, depending on your location, you'll be able to see Earth's shadow sweep across a small part of the harvest moon when it rises Tuesday evening.</p><h2 id="b9f7bcc6-7b06-48e3-a8b1-8f8194454618"><strong>The best time to watch the super harvest moon and partial lunar eclipse</strong></h2><p>The <a target="_blank" class="" href="https://www.businessinsider.com/september-harvest-moon-last-supermoon-when-best-time-to-see-2023-9">harvest moon is the full moon</a> that occurs nearest to the first day of autumn. It typically rises in the early evening around sunset, which meant farmers could finish harvesting their fall crops by its bright moonlight, hence the name.</p><p>This year, the harvest moon will officially be at its fullest on September 17 at 10:35 p.m. ET, according to <a target="_blank" class="" href="https://science.nasa.gov/solar-system/skywatching/the-next-full-moon-is-a-partial-lunar-eclipse-a-supermoon-the-corn-moon-and-the-harvest-moon/">NASA</a>. But the harvest moon will appear full for about three days from Monday evening through Thursday morning, NASA adds. </p><p>The best time to catch any full moon, including the harvest moon, is <a target="_blank" class="" href="https://www.businessinsider.com/super-blood-moon-lunar-eclipse-photos-2021-5#countries-in-the-asian-pacific-rim-including-china-and-indonesia-saw-the-eclipse-just-after-moonrise-2">right around moonrise</a>. </p><div type="image" title="harvest moon" height="1648" width="2200" msid="113372044" hostid="261" sizebytes="69298"></div><p>That's because the moon looks larger and adopts a yellow-orangish hue when it's close to the horizon. No one knows why this illusion occurs, <a target="_blank" href="https://science.nasa.gov/solar-system/moon/the-moon-illusion-why-does-the-moon-look-so-big-sometimes/">according to NASA</a>, but it makes for some spectacular moon gazing and photos.</p><p>The moon will rise over the east horizon around 7 p.m. local time on Tuesday for most of the contiguous US, but check <a target="_blank" class="" href="https://www.timeanddate.com/moon/">TimeandDate</a> for exactly when moonrise is in your area. Here's when the full harvest moon will rise Tuesday in the five largest US cities:</p><table style="minWidth: 50px"></colgroup></colgroup><tbody><tr><td>City</td><td>Moonrise (local time)</td></tr><tr><td colspan="1" rowspan="1">New York City</td><td colspan="1" rowspan="1">6:58 p.m.</td></tr><tr><td colspan="1" rowspan="1">Los Angeles</td><td colspan="1" rowspan="1">6:55 p.m.</td></tr><tr><td colspan="1" rowspan="1">Chicago</td><td colspan="1" rowspan="1">6:54 p.m.</td></tr><tr><td colspan="1" rowspan="1">Houston</td><td colspan="1" rowspan="1">7:20 p.m.</td></tr><tr><td colspan="1" rowspan="1">Phoenix</td><td colspan="1" rowspan="1">6:30 p.m.</td></tr></tbody></table><p>Also happening Tuesday evening is a partial lunar eclipse. The eclipse will start at 8:41 p.m. ET, according to NASA, but you likely won't see anything happen until closer to the eclipse's peak at 10:44 p.m. ET, when the maximum area of the moon's surface will be in shadow.</p><p>A partial lunar eclipse is when <a target="_blank" class="" href="https://www.businessinsider.com/how-lunar-eclipses-work-earth-moon-red-shadow-2018-7">Earth passes between the sun and moon</a>, casting its shadow across a certain percentage of the lunar surface. The more the Earth, sun, and moon are aligned, the greater portion of the moon the Earth eclipses.</p><div type="image" title="A lunar eclipse with a statue in front" height="683" width="1024" msid="113372045" hostid="261" sizebytes="15568"></div><p>For this particular eclipse, about 8.4% of the moon will be immersed in shadow, per NASA. So, at the time of the eclipse's peak, you should be able to notice that a small sliver looks like it's missing from the top of the moon.</p><p>"The only impact the eclipse has on seeing the moon is that part of the moon will be dimmer than the part that is outside of the shadow of the Earth," <span>Noah Petro, a research scientist at NASA's Goddard Space Flight Center, told BI over email.</span></p><p>Tuesday's partial eclipse is the last lunar eclipse of the year. The next lunar eclipse will be a total eclipse on March 14, 2025.</p><p>Just about everyone worldwide can enjoy the upcoming supermoon but only regions of North America, South America, Europe, and Africa will have a chance to see the lunar eclipse. <a target="_blank" class="" href="https://www.timeanddate.com/eclipse/lunar/2024-september-18">TimeandDate</a> has a map showing which portions of the globe will get the best eclipse show.</p><h2 id="4678bbea-bf93-41a2-9445-1b83e47703af">The harvest moon is the second supermoon of 2024</h2><div type="image" title="red harvest moon rising over eastern horizon with a city in front of it" height="681" width="1024" msid="113372043" hostid="261" sizebytes="13854"></div><p>This year's harvest moon is the second in a series of four consecutive supermoons, according to <a target="_blank" class="" href="https://earthsky.org/astronomy-essentials/what-is-a-supermoon/">EarthSky.</a></p><p>Supermoons occur when a full (or new) moon coincides with perigee — the point in the moon's orbit when it's closest to Earth.</p><p>But that distance isn't always the same value because the moon's orbit is elliptical, not perfectly circular. Therefore, supermoons vary in how much larger and brighter they may look.</p><p>In general, though, supermoons appear about 7% larger and 15% brighter than a typical full moon, Larry Wasserman, an astronomer at Lowell Observatory in Arizona, told Business Insider via email.</p><div type="image" title="supermoon rises over a city at night" height="682" width="1024" msid="113372048" hostid="261" sizebytes="45990"></div><p>This year's harvest moon will be about 222,131 miles from Earth at perigee. To compare, the closest supermoon so far this century, in November 2016, was at a distance of 221,524 miles, according to <a target="_blank" class="" href="https://earthsky.org/sky-archive/closest-supermoon-since-1948/">EarthSky</a>.</p><p>The next two full moons, on October 17 and November 15, will also be supermoons. In particular, October's full moon — called the Hunter's moon — will be the largest supermoon of the year.</p>

The 2024 harvest moon is the 2nd supermoon and last lunar eclipse this year. Here's the best time to see it when it rises Tuesday.

<ul class="summary-list"><li>Humans have been studying <a target="_blank" href="https://www.businessinsider.com/why-2024-total-solar-eclipse-cool-best-special-nasa-2024-1">total solar eclipses</a> for millennia to better understand the cosmos.</li><li>Total eclipses have helped prove Einstein's theory of relativity and led to the discovery of helium.</li></ul><p>On April 8, millions of people across the US will all do the same thing: <a target="_blank" href="https://www.businessinsider.com/reasons-to-see-total-eclipse-convince-boss-miss-work-2024-4">look up</a>.</p><p>In the middle of the afternoon, day will shift to night, as a <a target="_blank" href="https://www.businessinsider.com/solar-eclipse-map-nasa-where-when-see-path-of-totality-2024-3">total solar eclipse</a> touches 15 states.</p><p>We know now what causes a total <a target="_blank" href="https://www.businessinsider.com/devil-comet-visible-during-total-solar-eclipse-how-see-2024-4">solar eclipse</a>. But our ancient ancestors from millennia ago weren't so certain, and that was bad news for some scientists.</p><p>In the 21st century BCE, China's emporer <a target="_blank" href="https://eclipse2017.nasa.gov/eclipse-history">reportedly</a> had two astronomers beheaded for not <a target="_blank" href="https://www.businessinsider.com/total-eclipse-solar-power-generation-states-outside-path-totality-2024-3">predicting a total eclipse</a>.</p><p>Over the centuries, total eclipses became less dire and more of an opportunity to test scientific theories and forge <a target="_blank" href="https://www.businessinsider.com/helio-year-sun-solar-system-probe-eclipse-events-2024-1">new discoveries</a>.</p><p>Here are seven times a total solar eclipse has helped advance human science.</p><h2>1. Measuring Earth's rotation</h2><div type="image" title="Aerial view of planet Earth covered in clouds." height="1411" width="2124" msid="109088911" hostid="261" sizebytes="77030"></div><p>Some of the earliest suspected records of eclipses <a target="_blank" href="https://science.nasa.gov/eclipses/history/">date back</a> thousands of years.</p><p>Some experts have suggested<strong> </strong>petroglyphs or rock carvings found on a monument in Ireland reference an eclipse that took place on November 30 in the year 3,340 BCE. Others have <a target="_blank" href="https://www.washingtonpost.com/news/wonk/wp/2017/08/18/this-5000-year-old-stone-carving-may-be-the-worlds-first-drawing-of-an-eclipse/">expressed</a> skepticism.</p><p>Human-made markings on tortoise shells from China and a Babylonian tablet from over 3,000 years ago may also contain ancient references to eclipses.</p><p>Though these records are open to interpretation, scholars have <a target="_blank" href="https://eclipse.gsfc.nasa.gov/SEhelp/rotation.html">studied</a> historical descriptions of eclipses for centuries. It's how 18th-century astronomer Edmond Halley first realized the <a target="_blank" href="https://www.businessinsider.com/what-if-earth-stopped-spinning">Earth's rotation</a> has slowed over millennia.</p><h2>2. Discovering what causes eclipses</h2><div type="image" title="Engraving of  Pericles stands next to Anaxagoras, who is sitting on steps next to columns in Ancient Greece" height="1500" width="2263" msid="109088912" hostid="261" sizebytes="1159624"></div><p>Two modern scholars <a target="_blank" href="https://daily.jstor.org/anaxagoras-and-the-eclipse-the-first-to-get-it-right/">give</a> Greek philosopher Anaxagoras of Clazomenae credit for figuring out the moon's role in eclipses, calling him "perhaps the first empirical astronomer."</p><p>He likely developed his theories after witnessing an annular, or "<a target="_blank" href="https://www.businessinsider.com/october-solar-eclipse-annular-ring-of-fire-where-how-watch-2023-10">ring of fire</a>," eclipse on February 17, 478 BCE. While he got some of the science right, his overall understanding of the solar system was a product of its time.</p><p>Anaxagoras, for example, thought that air pressure kept the <a target="_blank" href="https://www.businessinsider.com/what-living-on-flat-earth-would-look-like-2017-11">flat Earth</a> aloft at the center of the rotating sun, moon, and stars. Despite that error, he worked out the basic mechanics behind eclipses.</p><p>Anaxagoras correctly believed the <a target="_blank" href="https://www.businessinsider.com/how-to-watch-da-vinci-glow-ghostly-shine-moon-phenomenon-2023-5">moon reflected</a> the sun's light. He was also accurate in his theories that when the moon moved in front of the sun, it caused a solar eclipse. Similarly, when the Earth was in between the sun and moon, there would be a lunar eclipse.</p><p>He also used the <a target="_blank" href="https://www.businessinsider.com/how-lunar-eclipses-work-earth-moon-red-shadow-2018-7">moon's shadow</a><strong> </strong>during an eclipse<strong> </strong>to estimate its size, but his calculations gave him a much smaller answer than reality.</p><h2>3. Estimating the moon's distance from Earth</h2><div type="image" title="A person is seated looking through a telescope with astrological instruments nearby in Ancient Greece" height="1500" width="2172" msid="109088915" hostid="261" sizebytes="589214"></div><p>On March 14, 189 BCE, a total solar eclipse swept over what is now northern Turkey. Greek astronomer Hipparchus would have just been a child at the time, but it's possible he saw the event.</p><p>Years later, Hipparchus may have used secondhand accounts of that same eclipse to make one of the era's most mathematically accurate estimates of the <a target="_blank" href="https://www.businessinsider.com/mind-boggling-nasa-photo-shows-moon-distance-from-earth-2022-10">moon's distance from Earth</a>.</p><p>Though Hipparchus' direct writings are lost, a 4th-century scholar <a target="_blank" href="https://journals.sagepub.com/doi/10.1177/0021828618817175">detailed</a> how he used the information.</p><p>The astronomer estimated the distance between where the total eclipse was in modern day Turkey and Alexandria, Egypt — where a fifth of the sun showed — to make his calculation.</p><p>Based on his math, Hipparchus offered a few ranges, including a mean distance<strong> </strong>of about 281,387 miles.</p><p>He wasn't terribly far off. The moon is about 238,855 miles away.</p><h2>4. Predicting the path of an eclipse</h2><div type="image" title="A map of England showing the path of an 18th century eclipse" height="2445" width="2000" msid="109088917" hostid="261" sizebytes="708824"></div><p>In the 11th or 12th century, Mayan astronomers made a remarkable prediction for their time: They calculated that a total solar eclipse would occur in 1991, and their prediction was accurate to within a day.</p><p>It would be centuries until humans made a more accurate prediction. In the 18th century,<strong><em> </em></strong><a target="_blank" href="https://www.businessinsider.com/edmond-halley-solar-lunar-eclipse-manuscripts-sell-auction-2023-12">Edmond Halley</a>, better known for discovering a comet with his name, made a <a target="_blank" href="https://www.theguardian.com/science/the-h-word/2015/may/03/halleys-eclipse-newtonian-selling-science-history">map</a> predicting the path of the May 3, 1715 solar eclipse with extreme accuracy.</p><p>Others made maps before him, but Halley based his prediction on <a target="_blank" href="https://www.businessinsider.com/isaac-newton-burnt-notes-pyramids-apocalypse-theology-sold-auction-2020-12">Isaac Newton</a>'s theory of universal gravitation, which helped him pinpoint the eclipse's timing to within four minutes.</p><h2>5. The discovery of helium</h2><div type="image" title="A drawing of several people seated and standing around astronomical equipment in the late 19th century in India" height="1500" width="2175" msid="109088919" hostid="261" sizebytes="650872"></div><p><a target="_blank" href="https://www.businessinsider.com/rare-element-arctic-lava-suggest-earth-core-may-leaking-2023-10">Helium</a> is very abundant in the universe but rare on Earth. It took an eclipse for an astronomer to discover it.</p><p>French astronomer Pierre Jules César Janssen had <a target="_blank" href="https://www.smithsonianmag.com/history/how-scientists-discovered-helium-first-alien-element-1868-180970057/">traveled</a> to Guntur, India just for the August 18, 1868 eclipse. He was using a spectroscope, a prism-like device for separating sunlight into a spectrum.</p><p>Janssen saw a yellow line with a wavelength unlike any other element. Around the same time, English astronomer Norman Lockyer developed an instrument for viewing the sun even without an eclipse. He saw the same line.</p><p>Lockyer called the mysterious element helium. It took a couple of decades for scientists to see it on Earth, during experiments on <a target="_blank" href="https://www.businessinsider.com/italy-skeleton-of-a-roman-killed-steps-from-sea-fled-vesuvius-eruption-2021-12">Mount Vesuvius</a> lava and uranium.</p><h2>6. Proof of Einstein's theory of relativity</h2><div type="image" title="A building holds a large piece of astronomical equipment with a long tube and rectangular box" height="1500" width="2244" msid="109088922" hostid="261" sizebytes="221628"></div><p>Astronomer James Craig Watson was certain he'd <a target="_blank" href="https://www.american-eclipse.com/">found</a> proof of a new planet during the 1878 eclipse. Supposedly located between the Sun and Mercury, Vulcan was only visible when the moon blocked the giant star.</p><p>Several more eclipses passed without anyone finding evidence of Vulcan. In 1915, Albert Einstein <a target="_blank" href="https://www.nbcnews.com/mach/science/einstein-showed-newton-was-wrong-about-gravity-now-scientists-are-ncna1038671">explained</a> Mercury's unusual orbit with his general <a target="_blank" href="https://www.businessinsider.com/albert-einstein-thought-experiments-2023-10">theory of relativity</a>. It fit the data better than a mysterious, difficult-to-spot extra planet.</p><p>Despite this evidence, Einstein's theory didn't receive scientific proof until the May 29, 1919 eclipse. The physicist had said the sun's gravity would bend light from nearby stars.</p><p>In 1919, expeditions traveled to Principe, an island off the coast of Africa, and Brazil. While the moon blocked the sun, the astronomers took photographs.</p><p>The stars seemed to have shifted locations compared to the reference photos. The apparent new locations showed the sun was bending the light within the measurements that <a target="_blank" href="https://www.businessinsider.com/russell-einstein-manifesto-nuclear-weapons-bombs-danger-2024-2">Einstein predicted</a>.</p><h2>7. Studying eclipses from space</h2><div type="image" title="A large antenna dish beneath a solar eclipse" height="1383" width="2055" msid="109088924" hostid="261" sizebytes="79024"></div><p>Gemini 12 astronauts Jim Lovell and <a target="_blank" href="https://www.businessinsider.com/buzz-aldrin-thoughts-lunar-module-moon-liftoff-2017-7">Buzz Aldrin</a> were the first humans to see a total eclipse from space. The November 12, 1966 eclipse moved from Peru to Brazil, and the astronauts hovered near the path of totality.</p><p>It was a coincidence that they were close enough to see it, according to <a target="_blank" href="https://www.smithsonianmag.com/smart-news/a-history-of-total-solar-eclipses-seen-by-astronauts-from-outer-space-180983909/">Smithsonian Magazine</a>. Aldrin's photos were unfocused and a bit disappointing.</p><p>Four years later, TV networks <a target="_blank" href="https://www.youtube.com/watch?v=o8i9qNslaJA">broadcast</a> the "eclipse of the century," full of images of the event. NASA also launched over two dozen rockets to study <a target="_blank" href="https://www.businessinsider.com/why-sunscreen-is-not-enough-to-protect-you-from-sun-2023-9">UV radiation</a> and solar X-rays during the phenomenon.</p><p>The agency still uses rockets to gather data during eclipses and will launch three on April 8.</p>

7 times a total solar eclipse revolutionized science 

New Delhi [India], November 8 (ANI): Today is the day when the world will witness the last total <keyword id="90051" type="General" weightage="20" keywordseo="lunar-eclipse" source="Orion">lunar eclipse</keyword> of this year. <br /><br /> At full moon, when the moon is close to a node, total lunar eclipses take place because the earth blocks the sun's rays from reaching the moon.<br /><br /> Almost a year after the last total lunar eclipse, the sight of the moon sliding into the shadows of the Earth returns and graces the sky.<br /><br /> Viewers in North America, Central America, most of South America, the Pacific Ocean, Australia, New Zealand, and Asia will see the Moon darken and acquire a reddish in the wee hours of Tuesday, November 8.<br /><br /> When and how to watch lunar eclipse<br /><br /> The Moon traverses the northern half of Earth's shadow, with totality predicted to last 86 minutes. Mid-eclipse happens on November 8th at 10:59 Universal Time (UT), around six days before apogee, when the Moon is farthest from Earth in its orbit. As a result, during the eclipse, the Moon will appear 7 per cent smaller than it does when it's at perigee (closest to Earth), but the difference is imperceptible. The eclipse on Tuesday will be a bit brighter than the one that occurred in May -- especially in the Moon's northern half -- since the Moon doesn't glide as close to the dark center of Earth's shadow.<br /><br /> There are several delightful extras viewers can look out for while admiring the eclipse. During totality, Earth's shadow dims the Moon sufficiently for stars to be visible right up to its edge. In addition, Uranus reaches opposition just a day after the eclipse, when it's directly opposite the Earth from the Sun and at its closest and brightest. And on eclipse night the distant planet will be upper left of the red-hued Moon -- binoculars will reveal the planet's pale disk. The farther west you are, the smaller the gap between planet and Moon. Also, the Northern and Southern Taurid meteor showers peak around this time, so eclipse-watchers might be treated to a few meteors streaking across the night sky.<br /><br /> All stages of the eclipse occur simultaneously for everyone, but not everyone will see the full eclipse. Weather permitting, observers in western North America will witness the entirety of the event on the morning of November 8, with the partial eclipse phase beginning an hour or so after midnight. In Hawai'i, the totally eclipsed Moon will be directly overhead. Viewers in the central parts of the continent will see all of totality and most of the final partial phases, while those on the East Coast can watch the Sun rise as totality ends.<br /><br /> South America will witness the initial phases of the eclipse up to totality, while Central America can enjoy the show a bit longer and see it through the total phase. The eclipse is an early evening event in central and eastern Asia, Australia, and New Zealand, and the Moon rises either during the earlier partial phases or during totality.<br /><br /> The actual clock times of the eclipse depend on your time zone.<br /><br /> Do's and Don'ts of Lunar Eclipse"<br /><br /> Dos<br /><br /> Until there is a lunar eclipse, tulsi leaves must be added to food products.<br /><br /> Pray for the moon to be released from Rahu's control soon.<br /><br /> Before and after the eclipse, take a holy bath to purify your body and spirit.<br /><br /> Don'ts<br /><br /> During a lunar eclipse, it is typically advised to stay inside and refrain from beginning any new projects or activities.<br /><br /> Pregnant women are strictly forbidden from going outside during a lunar eclipse, cutting or sewing any fabric, carrying sharp tools like scissors or blades, or using knives, among other activities that could harm the unborn child.<br /><br /> As per belief, people avoid consuming food.<br /><br /> Avoid watching the eclipse with your naked eyes<br /><br /> The events that happen during a total lunar eclipse are more complex and interesting than many people realize.<br /><br /> The Moon's leading edge enters the pale outer fringe of Earth's shadow: the penumbra. You probably won't notice anything until the Moon is about halfway across the penumbra.<br /><br /> 1. Watch for a slight darkening on the Moon's left side as seen from North America. The penumbral shading becomes stronger as the Moon moves deeper in.<br /><br /> 2. The penumbra is the region where an astronaut standing on the Moon would see Earth covering only part of the Sun's face.<br /><br /> 3. The Moon's leading edge enters the umbra, the cone of Earth's shadow within which the Sun's completely hidden. You should notice a dramatic darkening on the leading edge of the lunar disk. With a telescope, you can watch the edge of the umbra slowly engulfing one lunar feature after another, as the entire sky begins to grow darker.<br /><br /> 4. The trailing edge of the Moon slips into the umbra for the beginning of total eclipse. But the Moon won't black out completely: It's sure to glow some shade of intense orange or red.<br /><br /> 5. Why is this? The Earth's atmosphere scatters and bends (refracts) sunlight that skims its edges, diverting some of it onto the eclipsed Moon. If you were on the Moon during a lunar eclipse, you'd see the Sun hidden by a dark Earth rimmed with the reddish light of all the sunrises and sunsets ringing the world at that moment.<br /><br /> 6. The red umbral glow can be quite different from one eclipse to the next. Two main factors affect its brightness and hue. The first is simply how deeply the Moon goes into the umbra as it passes through; the center of the umbra is darker than its edges. The other factor is the state of Earth's atmosphere. If a major volcanic eruption has recently polluted the stratosphere with thin global haze, a lunar eclipse can be dark red, ashen brown, or occasionally almost black.<br /><br /> 7. In addition, blue light is refracted through Earth's clear, ozone-rich upper atmosphere above the thicker layers that produce the red sunrise-sunset colors. This ozone-blue light tints the Moon also, especially near the umbra's edge. You'll need binoculars or a telescope to see this effect.<br /><br /> 8. As the Moon progresses along its orbit, events replay in reverse order. The Moon's edge re-emerges into the sunlight, ending totality and beginning a partial eclipse again.<br /><br /> 9. When all of the Moon escapes the umbra, only the last, penumbral shading is left. Sometime later, nothing unusual remains.<br /><br /> The event has five stages, each with different things to watch.(ANI)<br /><br />

Chandra Grahan 2022: Check out Do's, don'ts to witness last 'lunar eclispse' of this year

<ul class="summary-list"><li>A total solar <a target="_blank" href="https://www.businessinsider.com/solar-eclipse-map-nasa-where-when-see-path-of-totality-2024-3">eclipse will be visible</a> from Texas to Maine on Monday.</li><li>This cosmic event occurs when the Earth, sun, and moon align perfectly.</li></ul><p>A <a target="_blank" href="https://www.businessinsider.com/why-2024-total-solar-eclipse-cool-best-special-nasa-2024-1">total solar eclipse</a> will turn afternoon skies dark from Texas to Maine on Monday.</p><p>During the eclipse, <a target="_blank" href="https://www.businessinsider.com/mind-boggling-nasa-photo-shows-moon-distance-from-earth-2022-10">the moon</a> will cross between the Earth and the sun, completely blocking out the sun's light. If you're in the moon's shadow, the sky will go dark for about three to four minutes, depending on your location.</p><p>It's the climax of a cosmic dance between <a target="_blank" href="https://www.businessinsider.com/human-activities-change-earth-spin-time-keeping-2024-3">our planet</a>, the moon, and the sun.</p><h2>What causes a total solar eclipse</h2><p>During a total solar eclipse, three key conditions happen at the same time: The moon is in the "new moon" phase; the moon crosses the plane of the <a target="_blank" href="https://www.businessinsider.com/what-if-the-earth-stopped-orbiting-the-sun-2019-10">Earth's orbit</a>; and the moon is at its closest point to Earth in its orbit.</p><p>When those conditions are just right, the Earth, sun, and moon line up. This diagram shows how that looks:</p><div type="image" title="bi_graphics_solareclipse" height="931" width="1200" msid="109110715" hostid="261" sizebytes="39234"></div><p>Then, if you're in the <a target="_blank" href="https://www.businessinsider.com/great-american-total-solar-eclipse-where-view-see-cities-visible-2024-2">path of totality</a> — which is basically the center of the moon's shadow, called the umbra — the moon appears to obscure the sun.</p><p>If you're in the penumbra — the outer region of the moon's shadow — you'll see a <a target="_blank" href="https://www.businessinsider.com/solar-eclipse-stunning-images-show-sun-obscured-in-rare-event-2021-6">partial solar eclipse</a>, where the moon appears to partially overlap the sun.</p><p>A total solar eclipse happens somewhere on Earth about every 18 months on average. It's rare for one to occur in any single place, though, because of the complex movements of the Earth and moon.</p><p>The moon orbits Earth every 29.5 days, while Earth has its own orbit around the sun. The moon's orbit is tilted about five degrees, which is large enough to keep its shadow off the Earth and the Earth's shadow off the moon most of the time.</p><div type="image" title="the fuzzy circular shadow of the moon appears on white clouds that cover the curvature of earth as seen from space" height="1500" width="2254" msid="109110716" hostid="261" sizebytes="156392"></div><p>There are two points — called nodes — where the moon's orbit crosses the Earth's plane. In the diagram above, the moon is lined up on a node.</p><p>The moon aligns with the nodes and the sun about twice per year, which is how we get eclipses. A solar eclipse happens when the moon is between the Earth and sun. A <a target="_blank" href="https://www.businessinsider.com/lunar-eclipse-turn-full-moon-blood-red-on-election-day-2022-11">lunar eclipse</a> happens when the moon is on the other side of the Earth, farthest from the sun.</p><h2>What the total solar eclipse will look like</h2><p>In the path of totality on Monday, where the moon's umbra falls over Earth, the total solar eclipse will have <a target="_blank" href="https://www.businessinsider.com/solar-eclipse-2017-phases-of-a-total-solar-eclipse-2017-8">10 distinct phases</a>, each with different amounts of the sun visible from the ground.</p><div type="image" title="solar eclipse" height="2334" width="3500" msid="109110717" hostid="261" sizebytes="55390"></div><p>The <a target="_blank" href="https://www.businessinsider.com/total-solar-eclipse-rare-phenomena-to-watch-2024-3">phenomenon</a> kicks off with what's called first contact, when the moon starts to pass across the sun. After about an hour, the moon will almost completely mask the sun, and you'll start to see a bright light radiate out of the sliver of remaining sun, known as the "diamond ring."</p><p>Then the moon will fully eclipse the sun, turning the sky dark in the middle of the day.</p><p>During totality only the sun's outermost atmosphere, called the corona, will be visible glowing around the dark disc of the moon.</p><p>After that, the moon will continue to travel across the sky to form another crescent. The eclipse ends when the moon ceases to cover the sun.</p><h2>Types of solar eclipses</h2><p>There are three <a target="_blank" href="https://www.businessinsider.com/what-is-a-solar-eclipse-2017-8">types of solar eclipses</a>.</p><p>Total solar eclipses, like this one, occur when the moon appears to completely cover the sun. If the moon only somewhat covers the sun, that's a <a target="_blank" href="https://www.businessinsider.com/partial-solar-eclipse-in-august-2018-8">partial eclipse</a>. Many people who are near the path of totality, but not in it, on Monday will see a partial eclipse.</p><p>The third type, an <a target="_blank" href="https://www.businessinsider.com/october-solar-eclipse-annular-ring-of-fire-where-how-watch-2023-10">annular eclipse</a>, occurs when the moon is too far from Earth to fully block out the sun from our perspective. The outer edge of the sun remains visible as a bright ring around the moon.</p><div type="image" title="Annular eclipse" height="1125" width="1500" msid="109110718" hostid="261" sizebytes="20660"></div><p>A total solar eclipse is considered the most spectacular. Globally, only about a third of all solar eclipses are total.</p><p>The <a target="_blank" href="https://www.businessinsider.com/reasons-to-see-total-eclipse-convince-boss-miss-work-2024-4">next total solar eclipse</a> in the contiguous US will be in 2044. </p><h2>How to watch the eclipse</h2><div type="image" title="huddle of people look up toward the sun while holding pink eclipse glasses up to their eyes in front of a wall of sand colored bricks in desert landscape" height="1500" width="2250" msid="109110721" hostid="261" sizebytes="136556"></div><p>If you plan to watch the eclipse, make sure you are wearing ISO-certified <a target="_blank" href="https://www.businessinsider.com/nasa-approved-eclipse-glasses-brands-2017-8">eclipse glasses</a>. These are 1,000 times darker than regular sunglasses. Without them, staring at the sun could damage your eyes. </p><p>The only safe time to look at the <a target="_blank" href="https://www.businessinsider.com/safety-tips-watching-partial-solar-eclipse-2017-8">eclipse without glasses</a> is during totality.</p><p><em>Leanna Garfield and Anaele Pelisson contributed to an earlier version of this post</em>.</p>

This diagram shows what happens during a total solar eclipse

<ul><li>The first solar eclipse of the year 2022 will happen on April 30, the last day of the month.</li><li><keyword id="6360409" type="General" weightage="80" keywordseo="nasa" source="Orion">NASA</keyword> has listed the places on the earth from where the solar eclipse will be visible.</li><li>The space agency categorises the upcoming solar eclipse as a partial one.</li></ul>Sky gazers and astrologists eagerly await eclipses and a few solar and lunar eclipses happen in a typical year. While 2022 will see four lunar eclipses, in this year, there will be only two solar eclipses. The first of the two solar eclipses in 2022 will happen on April 30th, which will also be the last day of the month.<br /><br />NASA (National Aeronautics and Space Administration), the space agency of the United States, has published a notification containing some interesting details about the upcoming solar eclipse. The first <keyword id="13735191" type="General" weightage="20" keywordseo="Solar-Eclipse-of-2022" source="Orion">solar eclipse of 2022</keyword> to take place on April 30th will be a partial one and can be watched from regions including southern South America, Antarctica, and the Southern and Pacific Oceans.<br /><cmsannotation type="cmsannotation" annotationid="What NASA says about the partial solar eclipse?" comment="subhead" text="What NASA says about the partial solar eclipse?"><span data-til="noop">What NASA says about the partial solar eclipse?</span></cmsannotation><br />NASA’s official release says, “As it sets in the west on the evening of April 30, the <keyword id="24879" type="General" weightage="80" keywordseo="sun" source="Orion">Sun</keyword> will appear partially eclipsed for those with clear skies in Chile, Argentina, most of Uruguay, western Paraguay, southwestern Bolivia, southeastern Peru and a small part of southwestern Brazil.”<br /><br />As per the Indian timings of the solar eclipse, the <keyword id="3273492" type="General" weightage="20" keywordseo="Surya-grahan" source="Orion">Surya Grahan</keyword> will start at 12:15 on April 30, 2022 and will end at 4:07 am on May 1, 2022.<br /><cmsannotation type="cmsannotation" annotationid="Will the first solar eclipse of 2022 be visible from India?" comment="subhead" text="Will the first solar eclipse of 2022 be visible from India?"><span data-til="noop">Will the first solar eclipse of 2022 be visible from <keyword id="3658" type="General" weightage="50" keywordseo="india" source="Orion">India</keyword>?</span></cmsannotation><br />Many sky enthusiasts are very eager to know if the solar eclipse on April 30 can be seen from India. Unfortunately, you can’t see this eclipse by staying in India since the country will have its night around the time of this eclipse and the sun will be shining on the other part of the earth which will have its daytime. However, a number of broadcasting platforms cover the episode of the eclipse live and you can watch them in real time or later on their channels or websites.<br /><br />NASA will offer a live telecast of the solar eclipse on April 30, 2022 on their social media channels. NASA’s YouTube channel will also do a live telecast of the event.<br /><cmsannotation type="cmsannotation" annotationid="Dos and Don’ts during solar eclipse" comment="subhead" text="Dos and Don’ts during solar eclipse"><span data-til="noop">Dos and Don’ts during solar eclipse</span></cmsannotation><br />Science and astrology make some recommendations on what to do and what not to do during eclipses. A solar eclipse is a spectacular event. However, during a solar eclipse, strong electromagnetic waves are radiated from the sun’s surface and hence watching it with naked eyes can result in serious harm to the vision. The safer way to watch solar eclipse is on broadcasting platforms, or through telescopes and projectors. <br /><br />Astrology advises to refrain from consuming food and water during the time of the eclipse. Pregnant women are advised not to expose themselves to the sunlight during the time of eclipse. Using sharp objects is prohibited during this time and the best way to spend the eclipse time is to worship and pray which is said to give immense benefits.<br />

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