Learn about an astronaut's experience when he spacewalks, like the speed, various temperatures and their protective visor.
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10 Things Astronauts Experience During Spacewalk - as part of the astronomy series by GeoBeats. 10 - Temperature in space can vary from -250 F to 250 F based on position. 9 - Astronauts move at 15,000 miles per hour attached to a shuttle. 8 - Due to speed, astronauts experience day and night within several hours. 7 - Astronauts have an adult diaper if they need to "go". 6 - They use a joystick enabled backpack to re-attach if they get untethered. 5 - Their visor contains gold material to protect from bright sun rays. 4 - Unlike on earth where we breathe 21% oxygen, astronauts breathe 100% oxygen. 3 – On ground a space suit weighs over 200 lbs. However, in space, it feels weightless. 2 - Astronauts bite into a valve in their space suit to drink water. 1 - Astronauts describe spacewalk as like floating in water without water.

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