'It's used by astronomers to designate the second-<br />brightest star in a constellation'
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GREEK ALPHABET SOUP: Its used by astronomers to designate the second-<br />brightest star in a constellation
It's used by astronomers to designate the second-<br />brightest star in a constellation
It's used by astronomers to designate the second-<br />brightest star in a constellation
GREEK ALPHABET SOUP
beta
GREEK ALPHABET SOUP