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zero gravity

Incredible Demonstration of Fluid Dynamics in Zero-G

April 18, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter The first thing I want to know is where we can get the cool, compacted NASA washcloths. But this new video from Chris Hadfield, commander of the International Space Station is pretty amazing. Hadfield has been working with schools and doing [...]

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Vomit Comet

April 16, 2011

When you think about how astronauts train for weightless environments you often think that space agencies like NASA or the Russian space agency have anti-gravity machines. The reality is that there is no special chamber they have on site that they turn on. Instead they have a series of different methods they use to help [...]

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Microgravity

March 25, 2011

Microgravity is a synonym for free fall or zero gravity. In most cases it is a term that more accurately describes the phenomenon of weightlessness in space. When someone hears the term zero gravity they think of astronauts floating in space. However this does not completely describe what is happening. The fact is that even [...]

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Weightlessness

November 1, 2010

You may wonder why astronauts in space experience weightlessness. This is due to the interesting effects of free-fall. This special effect is called zero gravity. However it is not really zero gravity. Even at 600 km above the surface of the Earth astronauts are still under the influence of gravity. As a matter of fact [...]

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0 Gravity

September 21, 2009

What is 0 gravity? We normally know it as an environment with no gravity. However, this definition is actually unscientific. Gravity actually exists anywhere two quantities of matter exist side by side. Also, gravitational fields exert themselves several miles beyond the massive celestial objects that produce them. So even though astronauts are in orbit seem [...]

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