which is one piece of information that astronomers use to calculate the age of the universe?\n- dark…

which is one piece of information that astronomers use to calculate the age of the universe?\n- dark energy\n- the age of rocks on earth\n- the current motion of inner planets\n- patterns of background radiation

which is one piece of information that astronomers use to calculate the age of the universe?\n- dark energy\n- the age of rocks on earth\n- the current motion of inner planets\n- patterns of background radiation

Answer

Brief Explanations:

Astronomers use the patterns of cosmic - microwave background radiation (a type of background radiation) to calculate the age of the universe. Dark energy affects the expansion rate but not directly the age - calculation in the same fundamental way. The age of rocks on Earth is much younger than the universe. The current motion of inner planets is related to gravitational dynamics rather than the age of the universe.

Answer:

D. patterns of background radiation