How Do Observations of Galaxies at Different Distances Help Us

question 152

Multiple Choice

How do observations of galaxies at different distances help us learn about galaxy evolution?

• A)We can observe the evolution of a single galaxy over time.
• B)We can observe galaxies at different distances merge, helping us learn how mergers affect evolution.
• C)Observations of the most distant galaxies will allow us to observe the birth of galaxies.
• D)Observations of different distances show galaxies of different ages and therefore different stages of evolution.
• E)We can see what our galaxy used to look like over time, helping us theorize about the physical processes that led to its current appearance.

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