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Questions and Answers
According to Edwin Hubble's observations in 1924, what did he discover about the distance between galaxies?
According to Edwin Hubble's observations in 1924, what did he discover about the distance between galaxies?
- The distance between galaxies is random
- The distance between galaxies is increasing with time (correct)
- The distance between galaxies is constant
- The distance between galaxies is decreasing with time
What is the cosmic microwave background (CMB) speculated to be?
What is the cosmic microwave background (CMB) speculated to be?
- Energy reflected by galaxies
- Energy emitted by stars
- Energy emitted by black holes
- Energy left over from the formation of the universe (correct)
Which of the following elements are found in abundance in the universe?
Which of the following elements are found in abundance in the universe?
- Nitrogen and Sulfur
- Oxygen and Carbon
- Helium and Hydrogen (correct)
- Lithium and Beryllium
What causes the red shift in light waves?
What causes the red shift in light waves?
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According to the Steady State Theory, what happens to matter as the universe expands?
According to the Steady State Theory, what happens to matter as the universe expands?
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