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Physics, 23.10.2019 23:10 mainray1792
It is possible to tell if objects in space are moving closer to us or father away based on which of the following?
a. the high qualities of light that they emit.
b. their appearance through a telescope.
c. their size and other changes in appearance on satellites
d. the redshift or blueshift
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It is possible to tell if objects in space are moving closer to us or father away based on which of...
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