Dark energy
A) is the energy equivalent of dark matter.
B) is the energy of black holes.
C) is the energy of neutrinos.
D) has an unknown nature as yet.
Correct Answer:
Verified
Q35: In the light of current evidence, a
Q36: The galaxies in the universe are distributed
A)
Q37: Primary cosmic rays are produced
A) in the
Q38: In the universe today there
A) seems to
Q39: Primary cosmic rays consist of
A) atomic nuclei,
Q41: The number of planets outside the solar
Q42: The heavy elements in the earth were
Q43: Communications with planets outside the solar system
Q44: Nearly all the helium in the universe
Q45: Planetary systems are probably
A) very rare in
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