Question:
There have been suggestions that the value of the gravitational constant G becomes smaller when considered over a very large time period in the future. If that happens for our earth,
(a) nothing will change
(b) we will become hotter after billions of years
(c) we will be going around but not strictly in closed orbits
(d) after a sufficiently long time we will leave the solar system
Solution:
The correct answers are
(c) we will be going around but not strictly in closed orbits
(d) after a sufficiently long time we will leave the solar system
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