Physics, 18.08.2021 02:10 unkownperson030
Astronomers have determined that galaxies in our observable universe exhibit a redshift in their absorption spectra. This observation is conclusive evidence that
all galaxies have the same metallicity and the exact same chemical make-up.
the universe is expanding in all directions.
galaxies, no matter where they are, are all approximately the same temperature.
Earth is moving away from the center of the universe.
All of the above.
Answers: 1
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