Question

How long before the expansion of the universe causes our earth to drift away from the sun?

Answer 1

Answer:

The expansion of the universe does not affect the relative position of astronomical bodies within galaxies. It is true that the universe is expanding, but this does not alter the distance between the earth and the sun. It also does not affect the distance between atoms. The expansion of the universe is partly caused by the Big Bang, and partly caused by dark energy. This expansion should not be thought of as stars flying away from each other in a static spacetime fabric. Instead, the stars are more or less static relative to a spacetime fabric that is itself expanding. The question is often asked, "Where is the center of the universe's expansion?" This question only makes sense if all the stars were flying away from some central point. Because the expansion is space itself, there is no center.

Explanation:

Answer 2

Q. How long before the expansion of the universe causes our earth to drift away from the sun?

=> It is true that the universe is expanding, but this does not alter the distance between the earth and the sun. It also does not affect the distance between atoms. The expansion of the universe is partly caused by the Big Bang, and partly caused by dark energy.

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