Physics, 26.01.2021 08:50 wwesuplexcity28
Accounts for about 70% of the mass-energy content of the universe. It acts in opposition to gravity.
a
pressure eventually become, causing nuclear fusion
b
objects shift toward red on the spectrum & objects are moving away
c
Spiral galaxies appear to be a rotating disk of stars and dust
Answers: 3
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Accounts for about 70% of the mass-energy content of the universe. It acts in opposition to gravity....
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