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Astronomy
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Directory Listing(s)
SkyQuery
Prototype of a Federated database application, relying on several data sets: the Sloan Digital Sky Survey, the 2MASS project, and the First radio survey.
SpacePix
Photographs and explanations of astronomical objects and spacecraft.
Stig's Sky Calendar
Explore the yearly dance of the Sun, Moon and planets.
Virtual Sky
Portal to multiple representations of the night sky, including a high-resolution optical survey of the Northern sky and the Uranometria engravings from 1603.

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