This is how Fast a Space Probe is
This is what it would be like to look out the window, flying at 37,000 feet, of a Boeing 747 (550 mph) vs. an SR-71 (2,700 mph)
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This is what it would be like to look out the window, flying at 37,000 feet, of a Boeing 747 (550 mph) vs. an SR-71 (2,700 mph)
New details on Lockheed Martin’s successor to the SR-71 Blackbird, the SR-72, that will be twice as fast as its predecessor with a cruising speed of Mach