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Hitman42 [59]
3 years ago
13

how is evidence that stars and groups of stars are moving away from each other to relate to the Big Bang Theory

Biology
1 answer:
sweet-ann [11.9K]3 years ago
3 0
 Edwin Hubble's observation of galaxies revealed that the light received from them were red-shifted, indicating that they are moving away from us. And the seemingly farther away a galaxy was, the greater its red-shift. This can only be explained if a all the galaxies were expanding outward. Determining the exact distances to the other galaxies was a problem, however, until the Hubble space telescope. It had high enough resolution to identify Cepheid variable stars in other galaxies, and accurately determine their distance, and therefore the expansion rate of the universe.eelfins <span>· 

</span>
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when Na lost e it shrank and the CI+ grew in size does that say anything about the location of the electrons before and after it
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<span>We know that electrons are occupied on a cloud surrounding the nucleus. So which means that the bigger the electron cloud, the bigger the number of electrons. So in this case, since Na shrank so it lost some electrons. And since Cl+ grew in size of the electron cloud so electron was added to it.</span>

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