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Physics, 30.11.2019 02:31 ayaanwaseem
What does hubble's law tell us?
a) the faster a spiral galaxy's rotation speed, the more luminous it is.
b) the longer the period of a cepheid variable, the greater its luminosity.
c) for every force, there is an equal and opposite reaction force.
d) the more distant a galaxy, the faster it is moving away from us. old, red, and bright and have fewer heavy elements.
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What does hubble's law tell us?
a) the faster a spiral galaxy's rotation speed, the more lum...
a) the faster a spiral galaxy's rotation speed, the more lum...
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