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The Universe at Your Fingertips 2.0 DVD from the Astronomical Society of the Pacific is in our online store, filled with Earth and space science resources.

Rigel - Bluish-white Supergiant


Click on image for full size

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: 900 light years away (250 parsecs?)
How Big: 30 times the sun's diameter
How Bright: 55,000 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

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA