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
Correct Answer:
Verified
Q24: The center of mass of the solar
Q25: When a low mass star like our
Q26: Even though K- and M-type stars are
Q27: B-type stars have lifetimes
A) long enough for
Q28: Brown dwarfs have
A) very narrow habitable zones
B)
Q30: Life will most likely be able to
Q31: Which of the following types of stars
Q32: In most extrasolar planetary systems the center
Q33: Life may be less likely around A-
Q34: Brown dwarfs are
A) stars in the process
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