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Displaying 1—10 of 1000 matches for query "06._Do_astronauts_worry_when_breaking_through_the_atmosphere" retrieved in 0.021 sec with these stats:
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- "atmospher" found 6923 times in 3540 documents
... atmospheric densities. The atmosphere slows the Shuttle down to about 200 miles per hour (mph). This process creates great heat and ionization. As long as the tiles on the Shuttle are intact, the astronauts ...
The Columbia Space Shuttle broke up when it re-entered the atmosphere because it was moving at extremely high speed and its heat shield was damaged, which let in hot gases created by the high velocity of the vehicle passing though the atmosphere ...
... . There is no atmospheric sound, there is no onset of gforces and there is little visual indication that we are descending. When we encounter the atmosphere, approximately 400,000 feet above the Earth, there is an increase of sound caused by the air rushing by the orbiter, a feeling of heaviness caused by the onset of ...
Leaving the atmosphere is easy for astronauts. All they need is a space capsule to protect them, maintain a safe temperature and provide oxygen. An astronaut's space vehicle starts slowly and gradually increases ... and energy has to be shed quickly. When the Shuttle drops back into the atmosphere at that high speed it generates enormous heat. That's why the Space Shuttle needs a heat shield to protect ...
The atmosphere can be turbulent at heights up to an altitude called the turbopause, at around 50 miles. Above that altitude turbulence stops. Astronauts experience bumps and strong vibrations at the lower altitudes during the launch.
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Answer provided by Robert P. McCoy, Ph.D.
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids ...
... -entry is too steep, the orbiter will overheat and possibly burn up. If the re-entry is too shallow, the orbiter will skip, like a rock on water, off of the atmosphere. Both cases are very bad. An approximate safe entry attitude is 40 degrees above the horizon ...
... , Ph.D. & Dr. Jonathan B. Clark
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
Image:9781894959421.jpg '''Buy This ...
The total time spent after getting their spacesuits on is about 2 hours and 20 minutes on the ISS before they are ready to go into space. Coming back into the spaceship, astronauts do not have to do anything special as they already purged all the nitrogen out of their blood when doing the pre ...
The orbiter is protected during re-entry into the Earth's atmosphere by a very complex heat shield made up of thermal insulation and carbon ceramic tiles. This heat shield insulates the aluminum structure ... melting. "Ball of fire" is a good description of the air around the spacecraft. The kinetic energy at the tremendous re-entry speed causes the air to heat dramatically and dissociate into ions that glow ...
... leave, sometimes with a jolt, it is like sitting on a big electric motor. The spacecraft just hums.
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Answer provided by Lt. Col. USAF (Ret.) William G. Gregory
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
Image:9781894959421.jpg '''Buy This ...
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