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The SR-71's maximum speed is still classified, but it was known to be able to cruise at Mach 3.2, around 2,200 mph. At that sustained speed, the Blackbird could circle the earth in about 11 hours. Things slow down a bit, though, when we consider that the Blackbird could only fly 3,000 miles on a tank of fuel. In-flight refueling means that the world's fastest jet is going to be spending a lot of time flying no faster than the tanker bringing the gas. Fueling and accel/decel times would probably stretch the circumnavigation time to around 15 hours, assuming everything was perfectly scheduled and coordinated.
What else can I help you with?
How long would it take to circle the earth in a kayak or canoe?
about a year or less because kayaks and canoes are fast
How fast does it take to get to the center of the earth?
It would take one hour to get to the center of the earth
How long would it take for a cheetah to circle the earth?
It would take about a month.
How ong does it take for Saturn to circle the sun?
10,760 Earth days (29.46 Earth years).
What would happen if a car drove at the same speed the earth spins?
You cannot; no car can go that fast. You'd crash. And THEN get a ticket. There has been ONE aircraft that was this fast; the SR-71 "Blackbird". In fact, it was even faster. You could take off from California and head west, and "catch up" to the Sun, watching it rise in the west.
How long would it take a tornado to go around the world at top speed?
The fastest forward speed ever recorded for a tornado was 73 mph, though the tornado that set the record did not travel that fast at all times. At that speed it would take about 14 days to circle the earth. The average tornado travels at about 35 mph, at which speed it would take between 29 and 30 days to circle the earth.
How many days does it take Venus to circle the sun?
243 Earth days.
How long does planet Earth take to circle the Sun once?
365 days
How long would it take mercury to circle the axis?
About 523 Earth years.
How long does it take the shuttle to circle the earth?
The space shuttle took approximately 90 minutes to circle the Earth in low Earth orbit at a speed of about 17,500 miles per hour.
How long does it take Deimos to circle the earth?
Deimos orbits Mars, not the Earth, and takes 1.26 days to do so.
How long does it take a satellite in low earth orbit to circle the entire planet?
About an hour.
