Life may be less likely around A- and F-type stars because
A) they emit large quantities of ultraviolet radiation
B) they experience violent surface activity
C) their habitable zones are very narrow
D) rocky planets are unlikely to form around them
Correct Answer:
Verified
Q28: Brown dwarfs have
A) very narrow habitable zones
B)
Q29: O-type stars
A) have lifetimes long enough for
Q30: Life will most likely be able to
Q31: Which of the following types of stars
Q32: In most extrasolar planetary systems the center
Q34: Brown dwarfs are
A) stars in the process
Q35: A- and F-type stars
A) do not contain
Q36: Which of the following types of stars
Q37: Which of the following could be a
Q38: Which of the following methods has been
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