Suppose We Look at Two Distant Galaxies: Galaxy 1 Is

question 14

Multiple Choice

Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2.In this case,

• A)Galaxy 1 must be twice as big as Galaxy 2.
• B)we are seeing Galaxy 1 as it looked at an earlier time in the history of the universe than Galaxy 2.
• C)we are seeing Galaxy 1 as it looked at a later time in the history of the universe than Galaxy 2.
• D)Galaxy 2 must be twice as old as Galaxy 1.

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