Which statement accurately describes the doppler effect/
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The Expanding Universe
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What do astronomers use to calculate the age of the universe? Check all that apply.
a. dark energy
b. the age of rocks on Earth
c. the age of the oldest stars
d. patterns of background radiation
e. how fast distant galaxies are moving away from us
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c. the age of the oldest stars
d. patterns of background radiation e. how fast distant galaxies are moving away from us
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Which statements accurately describe the Doppler effect? Check all that apply.
a. It is used to learn about the behavior of the universe.
b. It was used by Hubble to measure velocities of galaxies.
c. It indicates galaxy motion through light wavelengths.
d. It indicates a galaxy moving toward Earth through red shift.
e. It indicates a galaxy moving away from Earth through blue shift.
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a. It is used to learn about the behavior of the universe.
b. It was used by Hubble to measure velocities of galaxies.
c. It indicates galaxy motion through light wavelengths.
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Terms in this set (10)
What do astronomers use to calculate the age of the universe? Check all that apply.
a. dark energy
b. the age of rocks on Earth
c. the age of the oldest stars
d. patterns of background radiation
e. how fast distant galaxies are moving away from us
c. the age of the oldest stars
d. patterns of background radiation e. how fast distant galaxies are moving away from us
Which statements accurately describe the Doppler effect? Check all that apply.
a. It is used to learn about the behavior of the universe.
b. It was used by Hubble to measure velocities of galaxies.
c. It indicates galaxy motion through light wavelengths.
d. It indicates a galaxy moving toward Earth through red shift.
e. It indicates a galaxy moving away from Earth through blue shift.
a. It is used to learn about the behavior of the universe.
b. It was used by Hubble to measure velocities of galaxies.
c. It indicates galaxy motion through light wavelengths.