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staedtler staedtler
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7 years ago
Which of the following has NOT provided a means by which astronomers can infer the presence of dark matter in the universe?
A)   Measurement of the orbital speeds of stars near possible supermassive black holes at the centers of galaxies
B)   Measurement of the orbital speeds of stars in the outer regions of galaxies
C)   Observation of the bending of light (gravitational lensing) from remote galaxies as it passes through intervening clusters of galaxies
D)   Measurement of the line-of-sight speeds of individual galaxies in clusters of galaxies
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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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
On behalf of my study group and I, thank you
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