We Expect the Kinds of Galaxies That We See at a Redshift

question 26

Multiple Choice

We expect the kinds of galaxies that we see at a redshift of 4 (that is,when the universe was much younger) to be

• A) much like what we see today.
• B) smaller and much more irregular looking than today.
• C) smaller versions of what we see today.
• D) far more numerous but with fewer spiral galaxies.

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Definitions:

Collect Like Terms

In algebra, to combine terms that have the same variables raised to the same power.

Simplify

To make (something) simpler or easier to understand or do.

Expression

In mathematics, a combination of symbols that represent a quantity or a relationship between quantities.

Simplify

To make something easier to understand or do.