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Reference - Almanacs - Science
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SpaceRef Almanac
- A broad source of space-flight information - daily updates, calendar of events, directory of space-related sites, discussion fora, and gateways to space science and astrobiology and the 'Whole Mars Catalog'. A service of Discovery.com.
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StarDate
- Plan your backyard stargazing with the celestial information gleaned from this web.
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