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hermiz hermiz
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6 years ago
Which of the following methods allows us to determine the size of an extrasolar planet around another star?
A) detection of brightness changes in a star as a planet passes in front of it
B) detection of reflected starlight
C) regular changes in the positions of the parent stars with respect to more distant stars as they move across the sky
D) detection of Doppler shifts in the spectra of the parent stars
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
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Life in the Universe, 4/E (Bennett, Shostak)
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DonskoyDonskoy
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6 years ago
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hermiz Author
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6 years ago
Good timing, thanks!
taydav
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Yesterday
this is exactly what I needed
Zacellison
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2 hours ago
Smart ... Thanks!
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