Answer & ExplanationOption: Both A & BExplanation:
An international team of scientists has collected the first possible radio signal from a planet beyond our solar system, emanating from an exoplanet system about 51 light-years away. Tau Bootes is an F-type main-sequence star approximately 51 light-years away in the constellation of Bootes. It is a binary star system, with the secondary star being a red dwarf.
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