what was discovered in 1965 and is believed to be leftover thermal energy from the big bang?\nred shift\nthe…

what was discovered in 1965 and is believed to be leftover thermal energy from the big bang?\nred shift\nthe eagle nebula\nthe doppler effect\nbackground radiation

what was discovered in 1965 and is believed to be leftover thermal energy from the big bang?\nred shift\nthe eagle nebula\nthe doppler effect\nbackground radiation

Answer

Brief Explanations:

In 1965, Arno Penzias and Robert Wilson discovered cosmic - microwave background radiation, which is considered leftover thermal energy from the Big Bang. Red - shift is related to the expansion of the universe and the Doppler effect is about the change in frequency of waves due to relative motion. The Eagle Nebula is a star - forming region.

Answer:

D. background radiation