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Concept explainers
What evidence can you give that we live in a galaxy?
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The evidence that life exists in a galaxy.
Answer to Problem 1RQ
The living organisms of the Milky Way galaxy are made up of the same constituents as the living organisms on earth are made up of. Hence, the life exists in a Milky Way galaxy.
Explanation of Solution
The galaxy in which life exists is the Milky Way Galaxy, the diameter of this galaxy is more than
The Milky Way Galaxy in which the life exists and which the living organisms live in has millions of stars, these stars are made up of the same basic constituents that the living organisms of the Earth and most of the atoms are made up of.
Therefore, the life exists in Milky Way galaxy.
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Chapter 15 Solutions
Bundle: Foundations Of Astronomy, Loose-leaf Version, 14th + Webassign, Printed Access Card, Single-term
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