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Understanding Zero Gravity Myths by Hosni Mohamed Kassim is a document available to read on EtoBox.
What is Understanding Zero Gravity Myths about?
While astronauts appear to float in space, there is still gravity present. Gravity exists everywhere in the universe and is the attraction between two masses. Astronauts experience an illusion of weightlessness because they and their spacecraft are in constant free fall around the Earth due to gravity, falling in orbit at the same rate as the spacecraft. Their orbital velocity exactly cancels out the force of gravity, so they continue falling but never hit the ground. This phenomenon is called apparent weig
- Author
- Hosni Mohamed Kassim
- Language
- EN