NASA's Mars 2020 Perseverance rover mission has logged a lot of flight miles since being lofted skyward on July 30--146.3 million miles (235.4 million kilometers) to be exact. Turns out that is exactly the same distance it has to go before the spacecraft hits the Red Planet's atmosphere like a 11,900 mph (19,000 kph) freight train on Feb. 18, 2021.
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