Listed below are the names, spectral types (in parentheses), and approximate masses of several nearby main-sequence stars. Rank the stars based on the distances to their habitable zones (from the central star), from shortest to longest. Alpha Centauri A (G2)Sirius (A1)Barnard's Star (M4)
61 Cygnia A (K5)Spica (B1)
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Listed below are the names, spectral types (in parentheses), and approximate masses of several nearb...
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