Question: Question 8 6 ( 1 point ) Which statement about extrasolar planets found to date is true? Few are found by Doppler shifts of their
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Which statement about extrasolar planets found to date is true?
Few are found by Doppler shifts of their stars, due to their gravity
All are more than AU from their star
All are terrestrials, comparable in size to Earth
Some are so close to their stars that their periods are just a few days
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