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staedtler staedtler
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7 years ago
The one component of the material of the Milky Way Galaxy that prevents us from seeing and photographing the galactic center at optical wavelengths is
A)   very cold hydrogen gas.   C)   the glare of light from nearby stars.
B)   interstellar dust.   D)   hot hydrogen gas.
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Discovering the Universe

Discovering the Universe


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