Question

what is cosmic background radiation?the oldest light which is left over from the big banglight from nearby starsenergy created by black holesa type of galaxyquestion 19 (1 point)the universe is expanding, meaning galaxies are moving closer together.truefalse

Explanation:

• Cosmic background radiation is the oldest light left over from the Big Bang. It is a remnant of the early universe.
• When the universe expands, galaxies move away from each other, not closer together.

Answer:

• First question: The oldest light which is left over from the Big Bang
• Second question: False