Physics, 29.10.2019 00:31, justritegrl

Dark matter may explain
a. unexpected orbital velocities of stars in galaxies
b. the source of energy that fuels stars
c. the expansion of the universe
d. the origin of life
e. what came before the big bang

Answers: 3

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Dark matter may explain
a. unexpected orbital velocities of stars in galaxies
b. the so...