Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/C/2013_A1> ?p ?o }
- 2013_A1 abstract "C/2013 A1 (Siding Spring) is an Oort cloud comet discovered on 3 January 2013 by Robert H. McNaught at Siding Spring Observatory using the 0.5-meter (20 in) Uppsala Southern Schmidt Telescope.At the time of discovery it was 7.2 AU from the Sun and located in the constellation Lepus. Comet C/2013 A1 probably took millions of years to come from the Oort cloud. After leaving the planetary region of the Solar System, the post-perihelion orbital period (epoch 2050) is estimated to be roughly 1 million years.C/2013 A1 passed the planet Mars very closely on 19 October 2014. After its discovery, there was thought to be a chance of a collision with Mars, but this possibility was excluded when its orbit was determined more accurately.All NASA Mars orbiters—including 2001 Mars Odyssey, Mars Reconnaissance Orbiter and MAVEN—as well as ESA's orbiter, Mars Express, and ISRO's satellite, the Mars Orbiter Mission, reported a healthy status after the comet flyby on 19 October 2014. During the flyby, orbiters around Mars detected thousands of kilograms per hour of comet dust composed of magnesium, iron, sodium, potassium, manganese, nickel, chromium and zinc. In addition, the comet nucleus was determined to be between 400 and 700 meters (0.2 and 0.4 mi), confirming earlier results. The nucleus rotates once every eight hours.".
- 2013_A1 thumbnail NASA-14090-Comet-C2013A1-SidingSpring-Hubble-20140311.jpg?width=300.
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- 2013_A1 wikiPageWikiLink 2001_Mars_Odyssey.
- 2013_A1 wikiPageWikiLink 68–95–99.7_rule.
- 2013_A1 wikiPageWikiLink American_Geophysical_Union.
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- 2013_A1 wikiPageWikiLink Category:Articles_containing_video_clips.
- 2013_A1 wikiPageWikiLink Category:Astronomical_objects_discovered_in_2013.
- 2013_A1 wikiPageWikiLink Category:Comets_in_2013.
- 2013_A1 wikiPageWikiLink Category:Comets_in_2014.
- 2013_A1 wikiPageWikiLink Category:Mars_impact_events.
- 2013_A1 wikiPageWikiLink Category:Near-Mars_objects.
- 2013_A1 wikiPageWikiLink Category:Oort_cloud.
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- 2013_A1 wikiPageWikiLink Curiosity_(rover).
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- 2013_A1 wikiPageWikiLink Epoch_(astronomy).
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- 2013_A1 wikiPageWikiLink List_of_asteroid-discovering_observatories.
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- 2013_A1 wikiPageWikiLink Magnesium.
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- 2013_A1 wikiPageWikiLink Phobos_(moon).
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- 2013_A1 wikiPageWikiLink Potassium.
- 2013_A1 wikiPageWikiLink Precovery.
- 2013_A1 wikiPageWikiLink Ram_pressure.
- 2013_A1 wikiPageWikiLink Refracting_telescope.
- 2013_A1 wikiPageWikiLink Robert_H._McNaught.
- 2013_A1 wikiPageWikiLink STEREO.
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- 2013_A1 wikiPageWikiLink Sodium.
- 2013_A1 wikiPageWikiLink Solar_System.
- 2013_A1 wikiPageWikiLink TNT_equivalent.
- 2013_A1 wikiPageWikiLink Telephoto_lens.