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Way to go! And you didn’t even need to calculate. That’s one reason light-years are so handy in astronomy. Seeker 2000 has left the Milky Way and is traveling through the Local Group, a collection of galaxies that includes our own.


QUESTION #4
The nearest neighboring spiral galaxy, the Andromeda galaxy, is about 2.2 million light-years away. How far is that compared to the size of our Milky Way galaxy?
A.)2.2 times     B.)22 times     C.)495 times


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