sted below are the names, spectral types (in parentheses), and approximate masses of several nearby main-sequence stars. Rank th
e stars based on the distances to their habitable zones (from the central star), from shortest to longest.
1 answer:
Answer:
<em>From shortest distance to longest distance:</em>
<em>Barnard's Star (M4) </em>
<em>61 Cygnia A (K5) </em>
<em>Alpha Centauri A (G2) </em>
<em>Sirius (A1) </em>
<em>Spica (B1)</em>
Explanation:
A <em>habitable zone</em> is the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure. In the image, the green zone is the habitable zone, that is why <em>Barnard's Star (M4)</em> is first in the list and <em>Spica (B1)</em> is last in the list.
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