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Question
Considering both longevity and luminosity, which of these stars would be the most likely candidate for seeking extraterrestrial intelligence?A) Spica, a B3 main-sequence star
B) 61 Cygni, a K2 main-sequence star
C) Sirius B, a white dwarf
D) Antares, a M3 supergiant
E) Barnard's star, a M5 dwarf
Answer
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