The most uncertain variable in the Drake equation is
A) the rate at which solar-type stars form in the Galaxy.
B) the fraction of stars that have planets.
C) the fraction of planets per solar system that are Earthlike.
D) involving the longevity of a civilization.
Correct Answer:
Verified
Q59: Why will proposed future experiments to search
Q60: The Drake equation calculates the possible number
Q61: How is it possible that we have
Q62: A key test that will make sure
Q63: Which of the following did NOT study
Q65: The first person to tackle the issue
Q66: Kepler,the orbiting telescope,looks for
A) the infrared signature
Q67: The proposed Darwin telescope will be analyzing
A)
Q68: For an astronomer,what is the "water hole"?
A)
Q69: Why will proposed future experiments to search
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