Ask Ethan: Why are astronauts weightless while still in Earth’s gravity?
If you stand here on the surface of the Earth, whether at the north pole where the acceleration is greatest or at the summit of Huascarán where it’s the smallest, you’ll be pulled towards the center of the Earth with an acceleration of 9.8 m/s² : the acceleration due to gravity, or “ 1 g ” on the surface of the Earth. Sure, there are tiny variations that will ensue, as your distance from Earth’s…
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