How is dark energy related to the theory of the Big Bang?
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2 points
It causes the spinning of galaxies.
It seeded the formation of galaxies and star clusters.
It causes the universe to expand.
It causes the expansion of the universe to accelerate.
It causes the expansion of the universe to accelerate.
Which evidence supports the idea that Cosmic Microwave Background radiation is a remnant of the Big Bang?
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2 points
Its mass is uniform.
Its temperature is uniform currently.
Its mass fluctuates greatly.
Its temperature fluctuates greatly.
Its temperature is uniform currently.
Blueshift is observed when
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1 point
a luminous object travels alongside an observer
a distant luminous object travels rapidly towards an observer
a distant luminous object travels rapidly away from an observer
a luminous object is stationary compared to an observer
a distant luminous object travels rapidly towards an observer
As evidence supporting the Big Bang Theory, what does the redshift of light from galaxies indicate?
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1 point
the universe is mainly hydrogen
the universe is 13.8 billion years old
the universe is expanding
the universe is cooling off