Cosmology Quiz.
1. Gravity is now the dominating force in universal expansion, slowing it down (True or False).
True
False
2. What is the name of a large (1,000 times larger than the largest galaxy we see) gravitational lump in the universe whose nature is hidden by the milky way?
The Big Black Hole
The Great Conglomerate
The Great Attractor
3. 'Einstein's Greatest Blunder' has to do with...
A failed version of cosmic field theory
A cosmic repulsive force he used to explain a static universe
Calling the universe a black hole.
4. The universal expansion is...
slowing down with time
maintaining a constant rate
speeding up
5. Scientists thought that dark matter was needed to explain...
the deviation of galactic rotation curves from Keplerian behavior
non-Newtonian behavior of galaxies in clusters
the inflationary theory of the early universe
all of the above
6. We need to discover more dark matter to explain why the cosmic background microwave radiation is so smooth (True of False)
True
False
7. The latest value of Hubble's constant implies...
No time problem for the standard gravity-dominated Big Bang Theory
Galaxies and quasars are older than the time since the standard Big Bang
a larger distance to the galactic clusters
8. An exponentially expanding universe with no matter in it is called...
A DeWitt Universe
A Schwarzschild Universe
A DeSitter Universe
9. There is no possibility we are in a DeSitter Universe (True or False)
True
False
10. It may be that space acts like
nothing at all
an attractive force
a compressed quantum ether which wants to expand.
Answers
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