Galaxies Quiz B >> Astronomy: Exploring Time and Space
TOTAL POINTS 10
1.Which of the following correctly lists objects from smallest to largest?
1 point
supercluster, solar system, galaxy, galaxy cluster
galaxy, supercluster, galaxy cluster, solar system
solar system, galaxy, supercluster, galaxy cluster
2.True or False: The largest galaxies formed exactly the way they are near the beginning of the universe.
1 point
True
False
3.The key to how large-scale structures form in our universe is…
1 point
dark energy
dark matter
expansion
cosmic microwave background
4.Edwin Hubble observed that galaxies that are closer to us are moving away more ________ (slowly/quickly), and galaxies that are farther from us are moving away more ________ (slowly/quickly).
1 point
quickly… slowly
slowly… quickly
5.Almost all the galaxies we observe are moving away from us, meaning they are…
1 point
red shifted
blue shifted
6.The Hubble Constant describes…
1 point
the size of the universe
the distance of nearby galaxies
the speed of the milky way galaxy
the expansion rate of the universe
7.True or False: The fact that all galaxies are moving away from us implies that our galaxy must be at the center of the universe:
1 point
True
False
8.The peak time for quasar activity in the universe took place about…
1 point
1 million years ago
2 billion years ago
8 billion years ago
13.7 billion years ago
9.Observations of distant supernovae have shown that…
1 point
the expansion rate of the universe is slowing down
the expansion rate of the universe is speeding up
the expansion rate of the universe if remaining contant
10.The expansion rate of the universe is accelerating due to…
1 point
dark matter
cosmic radiation background
dark energy
the big bang
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