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بایگانی برچسب: astronauts

What is microgravity

Spacewalk. NASA Click for a full size image What is microgravity? It’s easy to assume that astronauts float in space because they are far away from the Earth’s gravitational force. But look at the moon. It is much further away …

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How do humans age in space

How do humans age in space? by Jessika Toothman A long trip in space might leave this astronaut feeling like his great-grandfather. Because astronauts like the ones on the International Space Station (ISS) are moving so quickly, they’re also aging …

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Alaska – Pavlof Volcano

 Astronauts aboard the International Space Station (ISS) photographed these striking views of Pavlof Volcano on May 18, 2013. The oblique perspective from the ISS reveals the three dimensional structure of the ash plume, which is often obscured by the top-down …

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