Alpha Orionis

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Related to Alpha Orionis: Beta Orionis, Delta Orionis
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Noun1.Alpha Orionis - the second brightest star in Orion
Orion, Hunter - a constellation on the equator to the east of Taurus; contains Betelgeuse and Rigel
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While we're here, don't forget bright orange Betelgeuse (Alpha Orionis), right in the middle of the Hexagon.
the use of degenerate forms such as 'Alpha Orion' for 'Alpha Orionis', and wonders why this occurs.
He demonstrated that the diameter of Alpha Orionis was 260,000,000 miles.