Pergunta 10 6 pts Which of the following serve as important pieces of evidence i

Question

Pergunta 10 6 pts Which of the following serve as important pieces of evidence in favor of the "Big Bang" theory for the origin of the Universe? Select each true piece of evidence (there may be several). O The existence and detailed properties of the cosmic microwave background radiation, which permeates the Universe The relative abundances of hydrogen, helium, and several other light elements. The appearance of very distant galaxies, billions of light years away, which differ from nearby galaxies in ways that suggest their relative youth. O The Hubble expansion of galaxies in all directions, like the fragments of an explosion

Explanation / Answer

The existance and detailed properties of the cosmic microwave background radiation which permeates the universe. When the exapansion takes place some heat is left behind and this is seen in the form of glow.

The Hubble expansion of galaxies in all direction, like fragments of an explosion. This is what the redshift explains. The universe is expanding.

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