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We now offer the Cool It! card game in our Science Store. Cool It! is the new card game from UCS that teaches kids about the choices we have when it comes to climate change.
The blue star Rigel lights up a nearby nebula
Click on image for star map
© Matt BenDaniel

Rigel - Bluish-white Supergiant

What's in a Name: Arabic for "foot"
Claim to Fame: One of the galaxy's brightest stars. Apparent visual magnitude = 0.1
Type of Star: Brilliant bluish-white Supergiant (B8 1a Spectral Type)
How Far Away: 775 light years away
How Big: 70 times the sun's diameter
How Bright: 40,000 times the sun's luminosity (Absolute visual magnitude = - 6.8)
Where to View: Brightest star in Orion (Star Map).
When to View:December through March from Northern middle latitudes

Last modified January 26, 2006 by Travis Metcalfe.

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The Fall 2009 issue of The Earth Scientist, which includes articles on student research into building design for earthquakes and a classroom lab on the composition of the Earth’s ancient atmosphere, is available in our online store.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF