How Many Miles From Earth To Space
400 000 ft 122 km nasa s re entry altitude for the space shuttle defined as the beginning of more significant atmospheric drag.
How many miles from earth to space. Stratosphere the stratosphere starts just above the troposphere and extends to 50 kilometers 31. 93 mi 150 km above that altitude a stable circular orbit is possible. However other countries and agencies have a differing opinion on where space begins.
According to a new study it might be just 50 miles above earth right about where the blue. According to data collected by the university of calgary space begins and the earth s atmosphere ends at 73 miles above the earth s surface. This part of the atmosphere is the most dense.
Troposphere the troposphere starts at the earth s surface and extends 8 to 14 5 kilometers high 5 to 9 miles. Nasa s web site will check the telemetry from the space station and gather its exact latitude and longitude as it orbits about 200 miles over the earth traveling 17 500 miles an hour making one full orbit every hour and a half. This distance can change however and has varied from 205 miles 330 km to a planned maximum of 248 miles 400 km.
Diagram of the layers within earth s atmosphere. That definition is rather arbitrary and is based on an altitude where aerodynamic flight requires a velocity comparable with the orbital velocity. Almost all weather is in this region.
Flies an unauthorized satellite at 52 miles over china for example that could be justifiably construed as an act of military. The official definition of the edge of space is the kármán line at 100 km about 62 miles above sea level. Periodically the space station must fire its thrusters to avoid spiraling into the earth.
In practice there is a effectively a no fly zone from around 40 km to around 180 km. 450 mi 700 km the thermopause exobase end of collisional atmosphere. Most of the time the international space station iss is orbiting the earth at an altitude of approximately 220 miles 354 km which places it in low earth orbit leo.