AnswersGA-GSE Earth Systems Spring 2026Cumulative Exam — Cumulative examQuestion 14
14
RCMultiple Choice

Cumulative Exam — Cumulative exam

Question 14 • GA-GSE Earth Systems Spring 2026

What was discovered in 1965 and is believed to be leftover thermal energy from the big bang?

Answer
r
red shift
t
the Eagle Nebula
t
the Doppler effect
b
background radiation
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