Physics, 31.07.2019 05:10 StephenCurry34
Which of the following best describes what we mean by the universe? (a) all the galaxies in all the superclusters(b) the sum total of all matter and energy(c) a vast collection of stars that number as many as the grains of sand on all the beaches on earth(d) our milky way galaxy
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Which of the following best describes what we mean by the universe? (a) all the galaxies in all the...
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