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Interactive online sky map ... WIKISKY.ORG. Stars That Shine Forever. Supernova: Chich. Nova: Pasquale Nanula. HE IT FR ZH RU SV PT SR PL DE HU ES JA EN KO TR EL ...
http://www.wikisky.org/
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... celestial coordinates you do not know—or do not trust—then Astrometry.net is for you. Input an image and we'll give you back astrometric calibration meta-data, ...
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A different astronomy and space science related image is featured each day, along with a brief explanation. ... The Moon's silhouette surrounded by a ...
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... Nebulae | Star Fields & Globular Clusters | Solar System Objects. Images by Instrument: ACS | WFPC2 | WF/PC | WFC3. Black & White Images | Main Gallery ...
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Track seasonal cusp moments in universal time, according to the Earth's orbit. Includes lessons on the astronomical mechanics of equinoxes, soltices, and cross quarters.
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... portal is currently online at http://www.usno.navy.mil and is being populated. ... About AA. Information about the department and its history ...
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Daily updates, archives since June 1995. Descriptions and bookmarks by an astronomer.
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Reference source containing links to information on rockets, spacecraft, programs, astronauts, and more.
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A different astronomy and space science related image is featured each day, along with a brief explanation.
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This site is intended for students in grades K through 8. ... (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/ GSFC. ...
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Designed to observe X-rays from high energy regions of the universe.
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