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

Business Insider

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· Scientists made dozens of exciting new discoveries in space this year.
· Unprecedented photos revealed the far side of the moon, the first black hole was captured on camera, and astronomers spotted a comet from another star system.
· Spacecraft also ventured to new destinations, diving through the sun's atmosphere, landing...

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