Gravity

usgb/ˈɡrævəti/Volume
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Universal ForcePlay
Gravity affects everything with mass, everywhere, not just on Earth, but also in space. SlideAstronauts experience less gravity, which is why they float.
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Isaac NewtonPlay
Gravity was first described by Newton; his apple story helps remember it's about attraction. SlideNewton's laws of motion and gravity revolutionized science.
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Natural PhenomenonPlay
Understanding gravity helps comprehend how planets orbit the sun and why we stay grounded. SlideWithout gravity, we would fly off into space.