Multiple Choice
Given that there are several hundred billion stars in the Milky Way Galaxy and preliminary data from exoplanet studies suggest that as many as one in five star systems may have one or more habitable planets, then a reasonable estimate for the number of habitable planets could be about
A) 100 billion or more
B) 1 billion or more
C) 100 million or more
D) 10 million or more
Correct Answer:
Verified
Correct Answer:
Verified
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