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 about astronomy and space science, combining scientific review with the power of Web-based collaboration.
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FeaturedArticle
What Is a Dwarf Planet?
What is a dwarf planet? When the final vote on the definition of "planet" was made, and the eight dominant bodies in the solar system were declared (quite rationally) a class separate from the...
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FeaturedBlog Post
Notes from the Astronomy Underground- Astropalooza
According to the tagline in Ridley Scott’s 1979 blockbuster Alien, “In space, no one can hear you scream.” It’s true that sound waves, unlike light, need a medium- some kind of...
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FeaturedEvent
213th American Astronomical Society Meeting
4-8 January 2009 Long Beach, CA
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 science. The...
Latest News
Mystery of missing hydrogen
University of New South Wales (Nov. 24, 2008) – Something vital is missing in the far distant reaches of the Universe: hydrogen - the raw material for stars, planets and possible life. FIGURE...
More in this Portal…
Articles
Blog Posts
- Notes from the Astronomy Underground: Just a Theory
- 13th Issue of Astronomy Education Review now available
- The Night Sky: November 2008
- The Night Sky: October 2008
- Mike Brown's Planets: Circular Arguments
- Notes from the Astronomy Underground: Another Shameless Plug
- Notes from the Astronomy Underground: A Shameless Plug
News Articles
- NSF / NASA 'Firefly' CubeSat Mission to Study Link Between Lightning and Terrestrial Gamma Ray Flashes
- The Sun Shows Signs of Life: Solar Cycle 24 Begins
- APEX reveals glowing stellar nurseries
- A Pool of Distant Galaxies the deepest ultraviolet image of the Universe yet
- Giant simulation could solve mystery of dark matter
- 'Ghost of Mirach' Materializes in Space Telescope Image
- Cosmic Lens Reveals Distant Galactic Violence
