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Astronomy: The Universe Unit Test

6 of 156 of 15 Items
Question
Which of these items provide evidence supporting the Big Bang theory? Select the two correct items.(1 point)
Responses

rate of star formation
rate of star formation

composition of matter in the universe
composition of matter in the universe

cosmic background radiation
cosmic background radiation

sizes and shapes of distant galaxies

1 answer

The two items that provide evidence supporting the Big Bang theory are:

  1. Composition of matter in the universe - The relative abundance of elements such as hydrogen and helium aligns with predictions made by the Big Bang nucleosynthesis theory.

  2. Cosmic background radiation - The detection of cosmic microwave background radiation is one of the strongest pieces of evidence for the Big Bang, as it is the afterglow of the hot, dense state of the early universe.

So, the correct responses are composition of matter in the universe and cosmic background radiation.

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