Questions tagged [gravity]
45 questions
12
votes
4 answers
Hudson Bay Has Low Gravity?
Is there lower gravity at the Hudson Bay? How does this happen? And where exactly is this because I might want to go.
Flavor
6
votes
8 answers
How is the atmosphere expanding in all directions if Gravity is holding the atmosphere down to earth?
We are taught that gravity is the force that keeps the atmosphere and everything else binded to Earth. However, observable reality shows us that the atmosphere expands in all directions as it fills any and all available volume. This is an observable…
That Guy
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3
votes
1 answer
Expression for the gradient of gravity potential in spherical coordinates
I am currently using the GGM05C Stokes' coefficients to reconstruct the gradient of gravity potential of Earth.
I have found an expression for said gradient in spherical coordinates in this technical report by the ICGEM. In particular, equation 122…
Rafa
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1
vote
2 answers
Why does the moon orbit the earth and not the sun instead?
Objects orbit the sun because of the sun's gravity, and Earth's gravity is weaker than the sun's gravitational pull. So why does the moon orbit the Earth instead of the sun?
yor
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1
vote
1 answer
Why isn't the acceleration of an object in Earth's gravity related to the object's mass?
Why isn't the acceleration of an object in Earth's gravity related to the object's mass?
Please, try to explain this effect without physical formulas, but using only logical formulation.
Ahillesius
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