Multiple Choice
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
Correct Answer:
Verified
Q30: Considering matter and energy together, the largest
Q31: Galactic spectra show<br>A) red and blue shifts.<br>B)
Q32: The proportionality between the recession speeds of
Q33: Quasars<br>A) are weak sources of light and
Q34: Our galaxy is<br>A) one of the smallest
Q36: The stars in the universe are<br>A) approximately
Q37: Galaxies<br>A) have a variety of shapes.<br>B) are
Q38: The heavy elements in the earth were
Q39: In the past several billion years the
Q40: Studies of the cosmic background radiation suggest