One unusual aspect of dark matter is
A) it exerts no gravitational force.
B) it moves faster than lightspeed.
C) it's made of a material that has not yet been observed in our laboratories.
D) its gravitational force pushes (or repels) instead of pulling.
E) it exerts a new kind of fundamental force, never observed before.
Correct Answer:
Verified
Q41: The amount of dark matter in the
Q42: One unusual aspect of dark matter is
A)
Q43: The expansion of the universe seems to
Q44: According to the theory of cosmic inflation,
Q45: The evidence favors a universe whose overall
Q46: Galaxies seem to be made mostly of
Q47: What is the universe mostly made of?
A)
Q48: If you were in a spaceship in
Q49: Can anything go faster than light?
A) No,
Q50: Space and time
A) have always existed.
B) were
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