AnswersWA-Physical Science BSpeed and Velocity — Cumulative examQuestion 25
25
RCMultiple Choice

Speed and Velocity — Cumulative exam

Question 25 • WA-Physical Science B

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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