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Home Q & A Board Science-Related Homework Help Physics Astronomy
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adreamer adreamer
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7 years ago
Which of the following methods uses astrometry to detect extrasolar planets around other star systems?
A) detection of Doppler shifts in the spectra of the parent stars
B) detection of reflected starlight
C) detection of brightness changes in a star as a planet passes in front of it
D) regular changes in the positions of the parent stars with respect to more distant stars as they move across the sky
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
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DonskoyDonskoy
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7 years ago
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adreamer Author
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7 years ago
Thank you, thank you, thank you!
jmendoza
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Yesterday
Smart ... Thanks!
bioc
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2 hours ago
Helped a lot
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