Re-entry was where the Space Shuttle truly faced its greatest challenge. Traveling at nearly 8 kilometers per second, the orbiter slammed into Earth’s atmosphere at hypersonic speed—so fast it created ...
A NASA Space Shuttle Orbiter re-enters the Earth's atmosphere at about 75 miles above sea level and speeds close to 17,500 mph. When slowing down to its landing speed of about 215 mph, the orbiter's ...
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