triple star
(Redirected from Zeta Orionis)

Alnitak, also known as Zeta Puppis, is a triple star system made out of three blue stars in the constellation Orion. It is part of Orion's Belt. It is a rare O9-type star[1] 20 times larger than the Sun.

Alnitak is the bright blue star.

References change

  1. Joy of Knowledge, vol. 17