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Title: O-type stars: (Multiple Choice) Post by: hermiz on Sep 10, 2017 O-type stars
A) have lifetimes long enough for advanced life to evolve B) have lifetimes long enough for planets to form and for life to appear, but not long enough for advanced life C) do not contain enough heavy elements to form planets D) have lifetimes too short for planet formation Title: Re: O-type stars (Multiple Choice Question) Post by: 19Clyde on Sep 10, 2017 Content hidden
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