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staedtler staedtler
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7 years ago
An astronomer studying a galaxy finds that its spectrum shows only old, low-mass, population II stars, and photographs of the galaxy show little or no interstellar gas or dust. What kind of galaxy is this astronomer studying?
A)   An elliptical galaxy   C)   A barred spiral galaxy
B)   A spiral galaxy   D)   An irregular galaxy
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Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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staedtler Author
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7 years ago
Grinning Face Exactly what I needed
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