The United Nations has designated 2009 as the International Year of Astronomy. The Cosmos Portal is working in concert with the "IAU Portal to the Universe" project to provide authoritative and trustworthy information combining scientific review with the power of Web-based collaboration.
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FeaturedArticle
Sun - Detail, Expanded
I. Introduction The Sun is a huge, glowing ball at the center of our solar system. The sun provides light, heat, and other energy to Earth. The sun is made up entirely of gas. Most of it is a type of...
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FeaturedBlog Post
The Night Sky: July 2009
The Night Sky in July 2009 By Harry J. Augensen Professor of Physics & Astronomy, Widener University Moon’s Phases in Month Full "Thunder" Moon on the 7thNew Moon on the 21st Stars and...
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FeaturedEvent
Around the World in 80 Telescopes
"Around the World in 80 Telescopes" was a unique live 24-hour webcast, held April 3-4, 2009, that visited some of the most advanced observatories both on and off the planet. "Around...
Featured Resource
American Astronomical Society
The American Astronomical Society (AAS), established 1899, is the major organization of professional astronomers in North America. The basic objective of the AAS is to promote the advancement of astronomy and closely related branches of...
Latest News
STEREO Spies First Major Activity of Solar Cycle 24 05.15.2009
NASA (May 16, 2009) – NASA′s Solar Terrestrial Relations Observatory (STEREO) spacecraft has spotted the first major activity of the new solar cycle. On May 5 STEREO-B observed a Type II radio...
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Articles
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News Articles
- Three Galaxies Locked in a Gravitational Tug-of-War
- The lower atmosphere of Pluto revealed
- Mysterious Space Blob Discovered at Cosmic Dawn
- Astronomers discover youngest and lowest mass dwarf stars
- Dust Detected Around A Primitive Star Sheds New Light On Universe's Origins
- Hubble Finds Hidden Exoplanet
- How Low Can It Go? Sun Plunges into the Quietest Solar Minimum in a Century
