You Searched For "elliptical orbit" and got 20 results
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Elon Musk sent a $100K Tesla Roadster to space a year ago. It has now traveled farther than any other car in history.
Sadly, it's too small and too far away to see in the night sky, even with the aid of a telescope. B…
Nathaniel Lee,Rebecca Wilkin
Holi 2020 will be witness to the second-closest supermoon of the year
This year’s Holi may be bogged down amid fears of Coronavirus but the night sky is going to be just…
Solar eclipses in 2020 — twice a year that the Moon will try to block out the Sun
The Moon doesn’t give up. Every year, like clockwork, it tries to block the Sun from the Earth by p…
Scavenger hunt for Planet X just dropped another clue
So far three dwarf planets, including the Goblin, have been found in the fringes of our solar …
SpaceX just released a new animation of its huge Falcon Heavy rocket launch, showing exactly what to expect tomorrow
With ignition comes fire and smoke, then a straight shot through the clouds, where eventually two o…
Kevin Loria
The first day of fall has arrived. Here's how the equinox marks the changing of seasons.
If you were to stand directly on the equator at the moment the equinox peaks - which came at precis…
Morgan McFall-Johnsen,Dave Mo…
A new image of a mysterious object careening toward our solar system strongly suggests it's the first comet from another star system
Gennady Borisov, an amateur astronomer in Crimea, first spotted C/2019 Q4 in the sky on August 30. …
Morgan McFall-Johnsen,Dave Mo…
SpaceX has received permission from the US government to launch Elon Musk's car toward Mars
More customers would likely line up to place payloads atop a Falcon Heavy rocket. While it costs ab…
Dave Mosher
Tonight's 'super snow moon' will be the biggest and brightest full moon of 2019. Here's why.
February's "super snow moon" will occur just six hours after a perigee distance of 221,681 miles, a…
Dave Mosher
NASA's $1 billion Jupiter probe has taken gorgeous new photos of the giant planet
Sometimes it takes Juno days (or even weeks) to beam back all of its raw image data, but the JunoCa…
Dave Mosher
Here's the last shot SpaceX got of Elon Musk's Tesla Roadster and its dummy driver 'Starman'
For a while after launch, SpaceX was able to keep tabs on the Roadster with cameras that broadcast …
Lydia Ramsey
The man behind Chandrayaan 1 thinks India's second mission to the moon is the 'most complex' ever
Chandrayaan-2 mission is all set to soft-land on the moon’s surface between 01:30 and 02:30 am on S…
What you're really seeing during a meteor shower
Now some meteor showers are more spectacular than others, giving us anywhere from a few to over a h…
Nathaniel Lee,Jessica Orwig
The December solstice is here. Here's how it works and why it starts winter and summer at the same time.
As the graphic above shows, it takes 89 days after the December solstice for Earth to reach the Mar…
Dave Mosher
The first day of spring is finally here for about 90% of us. Here's how equinoxes drive the changing seasons.
That tilt is about 23.5 degrees (for now), which means different parts of the world get bathed with…
Dave Mosher
Astronomers may have seen the first 'alien' space rock from beyond our solar system - but some have doubts
The main question is whether A/2017 U1 has an orbit that's elliptical (oval-shaped and around the s…
Dave Mosher
NASA's $1 billion Jupiter probe just beamed back even more jaw-dropping photos of the planet's tireless storm clouds
During a perijove, the probe dives over the north pole, screams past the Jovian cloud tops at 130,0…
Dave Mosher
In a first for humanity, China just parked an unmanned vehicle on the dark side of the moon, state media reports
The Chang'e 4 mission totes six kinds of scientific payloads, David says: "On the lander, it carrie…
Christian Edwards,Christian E…
A second mysterious object from interstellar space may be about to fly through our solar system
"It's so exciting, we're basically looking away from all of our other projects right now," Olivier …
Dave Mosher,Morgan McFall-Joh…
NASA is giving its $1 billion Jupiter mission a critical new lease on life
NASA planned to destroy the tennis-court-size robot by plunging it into Jupiter's clouds sometime a…