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staedtler staedtler
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7 years ago
In discussing galaxies and the universe, astronomers often talk about “voids.” What are voids?
A)   The large expanses of space between galaxies where there is essentially no gas or dust
B)   Holes in some galaxies where a collision by another, smaller galaxy has removed the dust, gas, and stars in that region
C)   Volumes of space hundreds of millions of light-years across that contain almost no galaxies
D)   Regions in clusters of galaxies that seem to be devoid of matter
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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staedtler Author
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7 years ago
Person Raising Both Hands in Celebration

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