Science and Exploration

Our World: Gravity in Space

By Marc Boucher
January 7, 2010
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What is gravity? Find out about the balance between gravity and inertia that keeps the International Space Station in orbit. Learn why astronauts “float” in space and how the space shuttle has to slow down in order to come back to Earth.

SpaceRef co-founder, entrepreneur, writer, podcaster, nature lover and deep thinker.