Information about the origin of the universe does not come from the
A) fact that spiral galaxies rotate.
B) red shifts in galactic spectra.
C) relative abundances of hydrogen and helium.
D) cosmic background radiation.
Correct Answer:
Verified
Q23: The most distant galaxies are receding at
Q24: The energy that reaches the earth in
Q25: Present evidence suggests that the universe
A) will
Q26: The Doppler shifting of radiation from the
Q27: In the past several billion years the
Q29: The proportionality between the recession speeds of
Q30: In a "closed" universe
A) expansion of the
Q31: Considering matter and energy together, the smallest
Q32: The "big bang" refers to the origin
Q33: Quasars
A) are weak sources of light and
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