Perseverance Heat Shield Separates (Illustration)
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In this illustration, NASA's Perseverance rover gets its first look at the Martian surface below, after dropping its heat shield just under six minutes after entry into the Mars atmosphere. Hundreds of critical events must execute perfectly and exactly on time for the rover to land safely on Feb. 18, 2021. Entry, Descent, and Landing, or "EDL," begins when the spacecraft reaches the top of the Martian atmosphere, traveling nearly 12,500 mph (20,000 kph). EDL ends about seven minutes after atmospheric entry, with Perseverance stationary on the Martian surface. The parachute, 70.5 feet (21.5 meters) in diameter, deploys about 240 seconds after entry, at an altitude of about 7 miles (11 kilomet — NASA JPL · 2020. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
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