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The biggest discoveries and achievements in space in 2019, from a mysterious layer outside our solar system to NASA's flight through the sun's atmosphere
The biggest discoveries and achievements in space in 2019, from a mysterious layer outside our solar system to NASA's flight through the sun's atmosphere
Dec 24, 2019, 17:54 IST
NASA's Insight lander has been on Mars since November 2018. In April, its built-in seismometer detected the first Mars quakes.
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Research about other planets in the solar system revealed surprises, too. Scientists discovered that a huge planet may have crashed into Jupiter about 4.5 billion years ago.
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Astronomers also spotted 20 more moons orbiting Saturn than they knew about before, bringing the planet's total up to 82.
This was a big year for breakthroughs in space, but 2020 might be even bigger.