File:Pluto-puzzling-pits-2.png
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DescripciónPluto-puzzling-pits-2.png |
English: UPLOADER NOTES: This image was taken by the Long Range Reconnaissance Imager (LORRI) on NASA's New Horizons spacecraft shortly before closest approach to Pluto on July 14, 2015; it resolves details as small as 270 yards (250 meters). The scene shown is about 130 miles (210 kilometers) across. The sun illuminates the scene from the upper left, and north is to the upper right.
The original NASA image has been flipped vertically to correct the image presentation and rotated 90 deg. clockwise to put north at the upper right. The original NASA caption is as follows: It seems that the more we see of Pluto, the more fascinating it gets. With its prominent heart-shaped feature, icy mountains, and “snakeskin” terrain, Pluto has already surprised New Horizons scientists with the variety and complexity of its surface features. Now this latest image, from the heart of Pluto’s heart feature, show the plains’ enigmatic cellular pattern (at left) as well as unusual clusters of small pits and troughs (from lower left to upper right). Scientists believe that this area, informally known as Sputnik Planum, is composed of volatile ices such as solid nitrogen. They theorize that the pits and troughs – typically hundreds of meters across and tens of meters deep – are possibly formed by sublimation or evaporation of these ices. However, the reasons for the striking shapes and alignments of these features are a mystery. Adding to the intrigue is that even at this resolution, no impact craters are seen, testifying to the extreme geologic youth of Sputnik Planum. “Pluto is weird, in a good way,” said Hal Weaver, New Horizons project scientist with Johns Hopkins Applied Physics Laboratory in Laurel, Maryland. “The pits, and the way they’re aligned, provide clues about the ice flow and the exchange of volatiles between the surface and atmosphere, and the science team is working hard to understand what physical processes are at play here.” |
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Fuente | https://www.nasa.gov/nh/pluto-puzzling-patterns-and-pits |
Autor | NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute |
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Este archivo es de dominio público porque fue creado por la NASA. Las políticas sobre copyright de la NASA estipulan que «el material de la NASA no está protegido con copyright a menos que se indique lo contrario». (Políticas sobre copyright de la NASA o Políticas sobre la utilización de imágenes del Jet Propulsion Laboratory). | ||
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Fecha y hora | Miniatura | Dimensiones | Usuario | Comentario | |
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actual | 20:33 25 oct 2015 | 852 × 1266 (1,37 MB) | WolfmanSF (discusión | contribs.) | Flip vertically to correct for incorrect image presentation and rotate 90 deg. clockwise to put north to the upper right | |
08:54 25 oct 2015 | 1266 × 852 (1,36 MB) | WolfmanSF (discusión | contribs.) | Higher resolution version | ||
10:45 22 oct 2015 | 985 × 663 (771 kB) | Mas003 (discusión | contribs.) | {{Information |Description ={{en|1=This image was taken by the Long Range Reconnaissance Imager (LORRI) on NASA's New Horizons spacecraft shortly before closest approach to Pluto on July 14, 2015; it resolves details as small as 270 yards (250 meter... |
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Altura de la imagen | 852 px |
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Anchura de la imagen | 1266 px |