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earth from space

Earth From Space

Rapid decompression can be much more dangerous than vacuum exposure itself. Even if the victim does not hold his breath, venting through the windpipe may be too slow to prevent the fatal rupture of the delicate alveoli of the lungs. Eardrums and sinuses may be ruptured by rapid decompression, soft tissues may bruise and seep blood, and the stress of shock will accelerate oxygen consumption leading to hypoxia. Injuries caused by rapid decompression are called barotrauma. A pressure drop as small as 13 kPa, which produces no symptoms if it is gradual, may be fatal if it occurs suddenly.
Boundary
There is no clear boundary between Earth's atmosphere and space, as the density of the atmosphere gradually decreases as the altitude increases. There are several designated scientific boundaries, namely:

In context

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Filename:711228.jpg
Album name:Earth & Universe
Rating (1 votes):55555
Keywords:#earth #space
Filesize:52 KiB
Date added:Jun 09, 2016
Dimensions:700 x 466 pixels
Displayed:30 times
URL:displayimage.php?pid=711228
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