Considering Both Longevity and Luminosity, Which of These Stars Would

question 68

Multiple Choice

Considering both longevity and luminosity, which of these stars would be the most likelycandidate 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

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The total amount of something produced or processed in a year.

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