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doit_the_clown doit_the_clown
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7 years ago
How many stars per cubic parsec are there in the spiral arms of a spiral galaxy compared to the regions between the spiral arms?
A)   There are more than 100 times as many stars in the spiral arms as there are in the regions between the arms.
B)   There are about twice as many stars in the spiral arms than in the regions between the arms.
C)   There are a lot of stars in the spiral arms and none at all in the regions between the arms.
D)   There are about 5% more in the spiral arms than in the regions between the arms.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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doit_the_clown Author
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7 years ago
Thanks for your help!!
jcarter
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Yesterday
Correct Slight Smile TY
rudy.zondo
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2 hours ago
Thanks
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