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Hands On Mineral Identification helps you to identify over 14,500 minerals! By M. Darby Dyar, Ph.D. See our DVD collection.

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Aldebaran - Orange Giant Star

What's in a Name: Arabic for "Follower" because it rises after the Pleiades. The Pleiades is a group of 6 stars traveling together through space. The eye of the constellation Taurus, the bull.
Claim to Fame: Brightest star in the constellation of Taurus, the Bull. 13th brightest star in the night sky (apparent visual magnitude = 0.9)
Type of Star: Orange Giant (K5 III Spectral Class). Fusing He to C/O in its core.
How Far Away: 72 light years
How Big: 50 times the size of the sun. Would almost fill out to the orbit of Mercury.
How Bright: 360 times the sun's luminosity (Mv=-0.49)
Where to View: In the constellation of Taurus, the Bull (Star Map).
When to View: October through March from the Northern middle lattiudes

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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 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