March 23, 2017

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Posted by on Friday, July 30, 2010 at 3:21pm.

I had a test question that I would love a comment on. Planets in a planetary system other than the solar system

a) have never been detected
b) have been detected
c) are an impossibility
d) are universally present

I have read about "CoRoT-7b", and just wanted opinions.
Thank you,

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