How Do Spacesuits Keep Astronauts Safe From the Vacuum of Space?

There were many iterations of the spacesuit before astronauts started wearing what they do today, but how do they work? How Do Astronauts Poop in Space? ►►►► http://bit.ly/1SBdlNe Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Space Educator’s Handbook: The Spacesuit http://er.jsc.nasa.gov/seh/suitnasa.html “Earth's atmosphere is 20 percent oxygen and 80 percent nitrogen from sea level to about 75 miles up, where space begins. At 18,000 feet, the atmosphere is half as de

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