Las dunas de arena son comunes en muchas formas y tamaños.[{» attribute=»»>Mars. In this example, the dunes are almost perfectly circular, which is unusual.
They are still slightly asymmetrical, with steep slip faces on the south ends. This indicates that sand generally moves to the south, but the winds may be variable.
This is part of a series of images (see above) to monitor how frost disappears in the late winter; this observation appears to be free of frost. A previous image (below) shows when the surface was covered by frost.
The map is projected here at a scale of 25 centimeters (9.8 inches) per pixel. (The original image scale is 30.3 centimeters [11.9 inches] por píxel [with 1 x 1 binning]; Objetos del orden de 91 cm [35.8 inches] se resuelve por completo.) El norte está arriba.
HiRISE significa Experimento científico de imágenes de alta resolución. Este es el sistema de cámara del Mars Reconnaissance Orbiter, una nave espacial que orbita Marte. HiRISE es la cámara más grande y poderosa jamás enviada a otro planeta, y está diseñada para capturar imágenes increíblemente detalladas de la superficie marciana. Su alta resolución permite a los científicos estudiar la geología, la mineralogía y la topografía del planeta con mayor detalle que antes.
Se lanza el Mars Reconnaissance Orbiter (MRO)[{» attribute=»»>NASA in 2005 to study Mars. The main goal of the MRO mission is to understand the geology, climate, and search for signs of water and potentially habitable environments on Mars. The spacecraft is equipped with a suite of scientific instruments, including the HiRISE camera, as well as radar, spectrometers, and other sensors. The MRO orbits Mars in a highly elliptical polar orbit, which allows it to image the planet’s surface and atmosphere, study its geology and mineralogy, and search for signs of water and other resources. The mission has been ongoing since its launch and has made numerous discoveries and advancements in our understanding of Mars.
The University of Arizona, in Tucson, operates HiRISE, which was built by Ball Aerospace & Technologies Corp., in Boulder, Colorado. NASA’s Jet Propulsion Laboratory, a division of Caltech in Pasadena, California, manages the Mars Reconnaissance Orbiter Project for NASA’s Science Mission Directorate, Washington.
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