Seudónimo Seudónimo

04-07-2019
Physics

contestada

How old are spiral galaxies?
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Аноним Аноним

05-07-2019

Answer:

Hi there!

The answer is eleven billion years old.

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Аноним Аноним

05-07-2019

Answer:

11 billion years old

Explanation:

Because elliptical galaxies contain older stars and less gas, scientists think that they are nearing the end of the evolutionary line for galaxies.

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