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	Oct. 14, 2004



	+ Lecture/webcast Peering into the universe Dec. 9 and 10



	Cool Cosmos An Infrared Search for Origins 3-D Universe



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Great Observatories May Unravel 400-Year-Old Supernova Mystery
Four hundred years ago, sky watchers, including the famous astronomer Johannes Kepler, best known as the discoverer of the laws of planetary motion, were startled by the sudden appearance of a "new star" in the western sky, rivaling the brilliance of the nearby planets. (Oct. 6)
+ View release
+ Feature: The History of Johannes Kepler


		Spitzer Arrives at Scene of Galactic Collision NASA's Spitzer Space Telescope has set its infrared sight on a major galactic collision and witnessed not death, but a teeming nest of life. (Sep. 7) + View release

		Scientists Discover New Class of Extrasolar Planets Astronomers announced the first discovery of a new class of planets beyond our solar system about 10 to 20 times the size of Earth. (Aug. 31) + View release + Images and animations


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			Stars and Galaxies Wallpapers Download a new wallpaper from our gallery of Stars and Galaxies imagery. Be sure to visit our other four galleries when you're there. + View gallery

			PlanetQuest: The Movie What's it like to discover a planet outside our solar system? Planet-hunter Geoff Marcy describes his discovery and the search for life-bearing planets around other stars. (Apr. 13) + Go to video
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