What has been an important tool in discovering what existed before the formation of stars and how stars themselves formed?
a)Cosmic background radiation (or cosmic microwave background radiation)
b)Gravity
c)Dark matter
d)Dark energy
Answers
Answer:
b
Explanation:
Due to gravity everything is bounded
Answer:
a)Cosmic background radiation (or cosmic microwave background
Explanation:
Cosmic background signal is nonparticulate radiation from the large Bang. The origin of this radiation depends on the region of the spectrum that's observed. One element is that the cosmic microwave background. This component is redshifted photons that have freely streamed from associate degree epoch once the Universe became clear for the primary time to radiation. Its discovery and elaborate observations of its properties are thought of one among the foremost confirmations of the large Bang. the invention (by likelihood in 1965) of the cosmic background radiation suggests that the first universe was dominated by a radiation field, a field of extraordinarily high temperature and pressure.
The Sunyaev–Zel'dovich impact shows the phenomena of beamy cosmic background signal interacting with "electron" clouds distorting the spectrum of the radiation.
there's also background radiation within the infrared, x-rays, etc., with totally different causes, and that they will generally be resolved into a private source. See cosmic infrared background and X-ray background. see cosmic lepton background and collection background light.
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