Click on image for full size
Image from the Hubble Space Telescope, reproduced with permission from AURA/STScI.
What's in a Name: || Arabic for "shoulder of the giant". Also known as the Martial Star. |
|Claim to Fame:|| First star seen as a sphere instead of a point of light by the Hubble Space Telescope on March 3, 1995. 12th brightest star in the sky . Possibly will be the very next supernova.
|Type of Star:|| Orange-Red Supergiant (M2 Iab Spectral Class). 3300K surface temp.
|How Far Away:|| Over 300 light years away
|How Big:|| 1300 times the sun's diameter. Would overfill the orbit of Jupiter if placed at the sun's position in the solar system
|How Bright:|| 54,000 times the sun's visual luminosity (absolute visual magnitude, Mv = -7)
|Where to View:|| 2nd brightest star In the constellation of Orion
|When to View:|| Best viewed from the Northern hemisphere during December-March
Shop Windows to the Universe Science Store!
Our online store
includes issues of NESTA's quarterly journal, The Earth Scientist
, full of classroom activities on different topics in Earth and space science, as well as books
on science education!