Considering Both Longevity and Luminosity, Which of These Stars Would

question 52

Multiple Choice

Considering both longevity and luminosity, which of these stars would be the most likely candidate for seeking extraterrestrial intelligence?

• A) 61 Cygni, a K2 main- sequence star
• B) Barnard's star, a M5 dwarf
• C) Spica, a B3 main- sequence star
• D) Antares, a M3 supergiant
• E) Sirius B, a white dwarf

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