How one should explain in simpler terms that there is gravity in space and astronauts are in free fall to remove misconception of zero gravity in space? If there is gravity, then why zero gravity term is used?How do astronouts move inside space station? Why do we feel gravity on earth?
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Answer:
Kushagra Arora at Quora Visit the source
Other answers
There is gravity in space but the farther you get from massive objects the less you feel it. Gravity is a weak force but cumulatively it can be powerful when near massive objects. Since you don't experience nearly as much gravity in space as on Earth we say it's zero gravity. It's kind of like saying space is a vacuum. It's not a perfect vacuum but there is so little matter that it's easier just to call it one.
David Thomas
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