Physics, 03.02.2020 09:49 brittanyjacob8

How do scientists use the doppler effect to understand the universe?

a. to determine motion of objects.

b. to determine the ages of planets

c. to determine the planet.

what does a blue shift in the light from stars indicate?

a. the stars are moving randomly

b. the stars are stationary

c. the stars are moving closer (towards each other)

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How do scientists use the doppler effect to understand the universe?

a. to determine mo...

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