Since Gagarin entered outer space for the first time and Armstrong left his first footprints on the moon, mankind has never stopped exploring the unknown space. And 2020 is a very pleasant year for space exploration: NASA successfully launched a Mars rover and successfully grabbed samples from an asteroid 200 million miles away; SpaceX has successfully launched 25 times, with 854 spacecraft in orbit, and assisted NASA in sending astronauts to the International Space Station twice. Domestically, fruitful results have also been achieved. The Beidou-3 system has completed the network construction, the new generation of manned test spacecraft has successfully completed the flight test, the Tianwen-1 Mars probe flew around Mars, and the Chang'e-5 probe realized the first moon sampling. According to statistics from the US "Space" website, there were 114 space launch missions worldwide in 2020, with a launch success rate of 92%. Earlier this year, Bezos announced to focus on cha
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