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Grand Canyon Tours/Science/Astronomy

AstroWeb - Astronomical Internet resources by the Space Telescope Science Institute.

An Atlas of the Universe - Contains 3D maps of the universe zooming out from the nearest stars to the scale of the galaxy and out to the surrounding superclusters and finally to the scale of the known universe.

Australia Astro Site - Extensive resources for astronomy.

Beyond Earth - Everything Not on Earth - Provides information about the beginning of universe and solar system. About the planets, quasars, the Milky Way, black holes. Life of a star. Travel in space and extra terrestrial beings.

Eric Weisstein's World of Astronomy - A web encyclopedia. Over 500 entries, ranging from definitions to full articles.

Infrared Astronomy - All about infrared astronomy from NASA's infrared astronomy center: Discovery of infrared, what is infrared and infrared astronomy, history, the infrared universe, gallery, activities, discoveries, missions and a lot of links to IR astronomy sites.

An Introduction to Astronomy - Learn about astronomy; goes into lots of details, and also has lots of astro-clip art.

Logarithmic Maps of the Universe - Show universe in terms of distance from Earth center. Includes such things as satellites, planets, stars, nebulae, and galaxies, out to cosmic microwave background radiation from the Big Bang.

The Naming of Stars - Leaflet from Royal Greenwich Observatory.

Space.com - The Greatest Myths, Hoaxes & Mysteries in Astronomy and Space Science - Article briefly discussing 21 topics.