Arandas Crater is a crater in the Mare Acidalium quadrangle of Mars, located 42.77° North and 15.17° West. It is 24.76 km in diameter and is named after the town of Arandas in Mexico. Gullies are visible in the pictures below. On the basis of their form, aspects, positions, and location amongst and apparent interaction with features thought to be rich in water ice, many researchers believed that the processes carving the gullies involve liquid water. However, this remains a topic of active research. As soon as gullies were discovered, researchers began to image many gullies over and over, looking for possible changes. By 2006, some changes were found. Later, with further analysis it was determined that the changes could have occurred by dry granular flows rather than being driven by flowin

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dbo:abstract
  • Arandas es un cráter de impacto del planeta Marte situado a 42.7° Norte y 15.1° Oeste (42.4° Norte y 344.9° Este). El impacto causó una abertura de 24.76 kilómetros de diámetro en la superficie del cuadrángulo MC-04 del planeta, conocido como cuadrángulo Mare Acidalium. El nombre fue aprobado en 1976 por la Unión Astronómica Internacional en honor a la localidad de Arandas (México). (es)
  • Le cratère Arandas est un cratère d'impact de 24,76 km de diamètre situé sur Mars dans le quadrangle de Mare Acidalium. Il a été nommé en référence à la ville d'Arandas au Mexique. (fr)
  • Arandas è un cratere sulla superficie di Marte. (it)
  • A cratera Arandas é uma cratera no quadrângulo de Mare Acidalium em Marte, localizada a 42.77° norte e 15.17° oeste. Ela possui um diâmetro de 25.1 km e recebeu o nome de uma cidade no México. (pt)
  • 亚兰斯撞击坑是位于火星阿西达里亚海的一个撞击坑,位于北纬42.77° North,西经15.17°。它的直径为25.1 km,以墨西哥的一个镇亚兰斯命名。 (zh)
  • Arandas Crater is a crater in the Mare Acidalium quadrangle of Mars, located 42.77° North and 15.17° West. It is 24.76 km in diameter and is named after the town of Arandas in Mexico. Gullies are visible in the pictures below. On the basis of their form, aspects, positions, and location amongst and apparent interaction with features thought to be rich in water ice, many researchers believed that the processes carving the gullies involve liquid water. However, this remains a topic of active research. As soon as gullies were discovered, researchers began to image many gullies over and over, looking for possible changes. By 2006, some changes were found. Later, with further analysis it was determined that the changes could have occurred by dry granular flows rather than being driven by flowing water. With continued observations many more changes were found in Gasa Crater and others. With more repeated observations, more and more changes have been found; since the changes occur in the winter and spring, experts are tending to believe that gullies were formed from dry ice. Before-and-after images demonstrated the timing of this activity coincided with seasonal carbon-dioxide frost and temperatures that would not have allowed for liquid water. When dry ice frost changes to a gas, it may lubricate dry material to flow especially on steep slopes. In some years frost, perhaps as thick as 1 meter, * MOLA map showing Arandas Crater and other nearby craters. Color indicates elevation. * Arandas Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter). * Gullies in Arandas Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter). Note: this is an enlargement of the previous photo. * Gullies in Arandas Crater, as seen by HiRISE under HiWish program. Impact craters generally have a rim with ejecta around them, in contrast volcanic craters usually do not have a rim or ejecta deposits. As craters get larger (greater than 10 km in diameter) they usually have a central peak. The peak is caused by a rebound of the crater floor following the impact. Sometimes craters expose layers that were buried. Rocks from deep underground are tossed onto the surface. Hence, craters can show us what lies deep under the surface. (en)
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dbp:caption
  • Arandas Crater, as seen by HiRISE. Click on image for a better view of North and South Walls, as well as central hills. Scale bar is 1000 meters long.
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  • W
dbp:eponym
  • The town of Arandas in Mexico
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  • 42.770000 (xsd:double)
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  • 15.170000 (xsd:double)
dbp:nOrS
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dct:subject
http://purl.org/linguistics/gold/hypernym
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rdfs:comment
  • Arandas es un cráter de impacto del planeta Marte situado a 42.7° Norte y 15.1° Oeste (42.4° Norte y 344.9° Este). El impacto causó una abertura de 24.76 kilómetros de diámetro en la superficie del cuadrángulo MC-04 del planeta, conocido como cuadrángulo Mare Acidalium. El nombre fue aprobado en 1976 por la Unión Astronómica Internacional en honor a la localidad de Arandas (México). (es)
  • Le cratère Arandas est un cratère d'impact de 24,76 km de diamètre situé sur Mars dans le quadrangle de Mare Acidalium. Il a été nommé en référence à la ville d'Arandas au Mexique. (fr)
  • Arandas è un cratere sulla superficie di Marte. (it)
  • A cratera Arandas é uma cratera no quadrângulo de Mare Acidalium em Marte, localizada a 42.77° norte e 15.17° oeste. Ela possui um diâmetro de 25.1 km e recebeu o nome de uma cidade no México. (pt)
  • 亚兰斯撞击坑是位于火星阿西达里亚海的一个撞击坑,位于北纬42.77° North,西经15.17°。它的直径为25.1 km,以墨西哥的一个镇亚兰斯命名。 (zh)
  • Arandas Crater is a crater in the Mare Acidalium quadrangle of Mars, located 42.77° North and 15.17° West. It is 24.76 km in diameter and is named after the town of Arandas in Mexico. Gullies are visible in the pictures below. On the basis of their form, aspects, positions, and location amongst and apparent interaction with features thought to be rich in water ice, many researchers believed that the processes carving the gullies involve liquid water. However, this remains a topic of active research. As soon as gullies were discovered, researchers began to image many gullies over and over, looking for possible changes. By 2006, some changes were found. Later, with further analysis it was determined that the changes could have occurred by dry granular flows rather than being driven by flowin (en)
rdfs:label
  • Arandas (cráter) (es)
  • Arandas (cratère) (fr)
  • Cratere Arandas (it)
  • Arandas (cratera) (pt)
  • 亚兰斯撞击坑 (zh)
  • Arandas (crater) (en)
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foaf:name
  • Arandas (en)
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