
Dennis B.
asked 10/21/14Is Space really Elastic and Gravity of the Planets is a result of their bend of Space?
I wanna ask about Astronomy!
If Space is really elastic kind of, and the Gravitation pull of planets is due to the bend they cause because of their mass in Space, would it be true still that if an object could land on the back side of that kind of planet, that it would still be acted upon by the same Gravitational pull, and yet the mass of the planet is towards that back side? In other words, how could that theory of bending Space be true if the Planet has the same Gravitational pull over all its sides?
If Space is really elastic kind of, and the Gravitation pull of planets is due to the bend they cause because of their mass in Space, would it be true still that if an object could land on the back side of that kind of planet, that it would still be acted upon by the same Gravitational pull, and yet the mass of the planet is towards that back side? In other words, how could that theory of bending Space be true if the Planet has the same Gravitational pull over all its sides?
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1 Expert Answer

Alan B. answered 08/20/15
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Problem Solving in Physics, Astronomy, Statistics, Java, Math, UNIX
Visualize a basketball resting atop a net. The ball makes an indentation in the net, in the same way space is warped around the spherical planet. Now visualize the ball surrounded by a fairly tight net. The indentations would occur at every point that the ball touched the net. Space all around the planet is warped, so there is no "back side" or front side. And yes, according to Einstein's theory of general relativity, space is warped and produces the effect we call gravity.
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Nathan B.
10/21/14