What makes galaxies different colors?
Owen AtkinsonIt can be different elements in the galaxy, or something called redshift.
Redshift is the phenomenon whereby objects moving at a greater distance appear redder.
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Levi AndersonThe colors of galaxies are influenced by the types and ages of stars within them, as well as the presence of interstellar dust and gas. Young, hot stars emit blue light, while older, cooler stars emit red light. Dust can scatter or absorb light, affecting the observed colors.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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