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- Asteroid abstract "Asteroids are minor planets, especially those of the inner Solar System. The larger ones have also been called planetoids. These terms have historically been applied to any astronomical object orbiting the Sun that did not show the disk of a planet and was not observed to have the characteristics of an active comet, but as minor planets in the outer Solar System were discovered, their volatile-based surfaces were found to resemble comets more closely and so were often distinguished from traditional asteroids. Thus the term asteroid has come increasingly to refer specifically to the small bodies of the inner Solar System out to the orbit of Jupiter.[citation needed] They are grouped with the outer bodies—centaurs, Neptune trojans, and trans-Neptunian objects—as minor planets, which is the term preferred in astronomical circles. In this article the term "asteroid" refers to the minor planets of the inner Solar System.There are millions of asteroids, many thought to be the shattered remnants of planetesimals, bodies within the young Sun's solar nebula that never grew large enough to become planets. The large majority of known asteroids orbit in the asteroid belt between the orbits of Mars and Jupiter, or are co-orbital with Jupiter (the Jupiter Trojans). However, other orbital families exist with significant populations, including the near-Earth asteroids. Individual asteroids are classified by their characteristic spectra, with the majority falling into three main groups: C-type, S-type, and M-type. These were named after and are generally identified with carbon-rich, stony, and metallic compositions, respectively.Only one asteroid, 4 Vesta, which has a relatively reflective surface, is normally visible to the naked eye, and this only in very dark skies when it is favorably positioned. Rarely, small asteroids passing close to Earth may be visible to the naked eye for a short time. As of September 2013, the Minor Planet Center had data on more than one million objects in the inner and outer Solar System, of which 625,000 had enough information to be given numbered designations.On 22 January 2014, ESA scientists reported the detection, for the first definitive time, of water vapor on Ceres, the largest object in the asteroid belt. The detection was made by using the far-infrared abilities of the Herschel Space Observatory. The finding is unexpected because comets, not asteroids, are typically considered to "sprout jets and plumes". According to one of the scientists, "The lines are becoming more and more blurred between comets and asteroids."".
- Asteroid thumbnail (253)_mathilde.jpg?width=300.
- Asteroid wikiPageExternalLink minorplanets.php.
- Asteroid wikiPageExternalLink nph-bib_query?bibcode=1874MNRAS..35...61K&db_key=AST&high=40daf3f6f901929.
- Asteroid wikiPageExternalLink boinc.
- Asteroid wikiPageExternalLink books?id=NAMAAAAAMAAJ&pg=PA316&dq=%22planets%22+asteroids.
- Asteroid wikiPageExternalLink astdys.
- Asteroid wikiPageExternalLink neat.jpl.nasa.gov.
- Asteroid wikiPageExternalLink neoibo.
- Asteroid wikiPageExternalLink statmpn.htm.
- Asteroid wikiPageExternalLink asteroid_belt_detail.htm.
- Asteroid wikiPageExternalLink en.
- Asteroid wikiPageExternalLink solarsystem.nasa.gov.
- Asteroid wikiPageExternalLink profile.cfm?Object=Asteroids.
- Asteroid wikiPageExternalLink ?sb_elem.
- Asteroid wikiPageExternalLink neo_map.html.
- Asteroid wikiPageExternalLink mbpl.html.
- Asteroid wikiPageExternalLink pcel.html.
- Asteroid wikiPageExternalLink sael.html.
- Asteroid wikiPageExternalLink teca.html.
- Asteroid wikiPageExternalLink satellites.html.
- Asteroid wikiPageExternalLink www.fair-society.org.
- Asteroid wikiPageExternalLink englenam.htm.
- Asteroid wikiPageExternalLink MPNames.html.
- Asteroid wikiPageExternalLink mp_group.htm.
- Asteroid wikiPageExternalLink Archive-Asteroids.html.
- Asteroid wikiPageExternalLink www.spaceguarduk.com.
- Asteroid wikiPageExternalLink csbn.
- Asteroid wikiPageExternalLink home.
- Asteroid wikiPageID "791".
- Asteroid wikiPageRevisionID "606733624".
- Asteroid align "right".
- Asteroid b "General Astronomy/Asteroids".
- Asteroid caption "A composite image, to scale, of the asteroids which have been imaged at high resolution. As of 2011 they are, from largest to smallest: 4 Vesta, 21 Lutetia, 253 Mathilde, 243 Ida and its moon Dactyl, 433 Eros, 951 Gaspra, 2867 Šteins, 25143 Itokawa.".
- Asteroid caption "HST image of the dwarf planet Ceres".
- Asteroid caption "Sizes of the first ten asteroids to be discovered, compared to the Earth's Moon".
- Asteroid caption "The largest asteroid in the previous image, Vesta , with Ceres and Earth's Moon shown to scale.".
- Asteroid commons "Category:Asteroids".
- Asteroid direction "vertical".
- Asteroid hasPhotoCollection Asteroid.
- Asteroid image "4".
- Asteroid image "Asteroidsscale.jpg".
- Asteroid image "Ceres optimized.jpg".
- Asteroid image "Moon and Asteroids 1 to 10.svg".
- Asteroid q "no".
- Asteroid s "The New Student's Reference Work/Asteroids".
- Asteroid v "no".
- Asteroid voy "no".
- Asteroid wikt "asteroid".
- Asteroid subject Category:Asteroids.
- Asteroid subject Category:Spaceflight.
- Asteroid comment "Asteroids are minor planets, especially those of the inner Solar System. The larger ones have also been called planetoids.".
- Asteroid label "Asteroid".
- Asteroid label "Asteroid".
- Asteroid label "Asteroide".
- Asteroid label "Asteroide".
- Asteroid label "Asteroide".
- Asteroid label "Astéroïde".
- Asteroid label "Planetoida".
- Asteroid label "Planetoïde".
- Asteroid label "Астероид".
- Asteroid label "كويكب".
- Asteroid label "小惑星".
- Asteroid label "小行星".
- Asteroid sameAs Asteroid.
- Asteroid sameAs Asteroid.
- Asteroid sameAs Αστεροειδής.
- Asteroid sameAs Asteroide.
- Asteroid sameAs Asteroide.
- Asteroid sameAs Astéroïde.
- Asteroid sameAs Asteroid.
- Asteroid sameAs Asteroide.
- Asteroid sameAs 小惑星.
- Asteroid sameAs 소행성.
- Asteroid sameAs Planetoïde.
- Asteroid sameAs Planetoida.
- Asteroid sameAs Asteroide.
- Asteroid sameAs m.0jvq.
- Asteroid sameAs Q3863.
- Asteroid sameAs Q3863.
- Asteroid wasDerivedFrom Asteroid?oldid=606733624.
- Asteroid depiction (253)_mathilde.jpg.
- Asteroid isPrimaryTopicOf Asteroid.