How do scientists use the doppler effect to understand the universe?
select one:
a. to...
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Physics, 22.08.2019 16:00 crebflower
How do scientists use the doppler effect to understand the universe?
select one:
a. to determine light brightness
b. to determine the ages of planets
c. to determine motion of objects
d. to determine planet composition
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Answers: 2
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