Galerie de photos de la planète Mercure

<h1>PIA02418: Outgoing Hemisphere</h1><div class="PIA02418" lang="en" style="width:775px;text-align:left;margin:auto;background-color:#000;padding:10px;"><p>This mosaic shows the planet Mercury as seen by Mariner 10 as it sped away from the planet on March 29, 1974. The mosaic was made from over 140 individual TV frames taken about two hours after encounter, at a range of 37,300 miles (60,000 kilometers). North is at top. The limb is at right, as is the illuminating sunlight. The equator crosses the planet about two-thirds of the way from the top of the disc. The terminator, line-separating day from night, is about 190 degrees west longitude. The planet shows a gibbous disc-more than half-illuminated. This hemisphere is dominated by smooth plains, rather than heavily cratered terrain, and resembles portions of the Moon's maria in general shape. Half of a very large, multi-ringed basin named Caloris Basin appears near the center of the disc near the terminator. Its surrounding mountain ring is 800 miles (1,300 kilometers) in diameter.</p><p>The Mariner 10 mission, managed by the Jet Propulsion Laboratory for NASA's Office of Space Science, explored Venus in February 1974 on the way to three encounters with Mercury-in March and September 1974 and in March 1975. The spacecraft took more than 7,000 photos of Mercury, Venus, the Earth and the Moon.<br /><br /><a href="http://photojournal.jpl.nasa.gov/catalog/PIA02418" onclick="window.open(this.href); return false;" title="Voir l'image PIA02418: Outgoing Hemisphere sur le site de la NASA">Voir l'image PIA02418: Outgoing Hemisphere sur le site de la NASA.</a></div>
PIA02418: Outgoing Hemisphere
<h1>PIA03101: Mercury's Southern Hemisphere</h1><div class="PIA03101" lang="en" style="width:800px;text-align:left;margin:auto;background-color:#000;padding:10px;"><p>Mercury: Computer Photomosaic of the Southern Hemisphere<p>The Image Processing Lab at NASA's Jet Propulsion Laboratory produced this photomosaic using computer software and techniques developed for use in processing planetary data. The Mariner 10 spacecraft imaged the region during its initial flyby of the planet.<p> The Mariner 10 spacecraft was launched in 1974. The spacecraft took images of Venus in February 1974 on the way to three encounters with Mercury in March and September 1974 and March 1975. The spacecraft took more than 7,000 images of Mercury, Venus, the Earth and the Moon during its mission.<p> The Mariner 10 Mission was managed by the Jet Propulsion Laboratory for NASA's Office of Space Science in Washington, D.C.<br /><br /><a href="http://photojournal.jpl.nasa.gov/catalog/PIA03101" onclick="window.open(this.href); return false;" title="Voir l'image PIA03101: Mercury's Southern Hemisphere sur le site de la NASA">Voir l'image PIA03101: Mercury's Southern Hemisphere sur le site de la NASA.</a></div>
PIA03101: Mercury's Southern Hemisphere
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<h1>PIA00437: Planet Mercury</h1><div class="PIA00437" lang="en" style="width:639px;text-align:left;margin:auto;background-color:#000;padding:10px;"><p>Mariner 10's first image of Mercury acquired on March 24, 1974. During its flight, Mariner 10's trajectory brought it behind the lighted hemisphere of Mercury, where this image was taken, in order to acquire important measurements with other instruments.<p>This picture was acquired from a distance of 3,340,000 miles (5,380,000 km) from the surface of Mercury. The diameter of Mercury (3,031 miles; 4,878 km) is about 1/3 that of Earth.<p>Images of Mercury were acquired in two steps, an inbound leg (images acquired before passing into Mercury's shadow) and an outbound leg (after exiting from Mercury's shadow). More than 2300 useful images of Mercury were taken, both moderate resolution (3-20 km/pixel) color and high resolution (better than 1 km/pixel) black and white coverage.<br /><br /><a href="http://photojournal.jpl.nasa.gov/catalog/PIA00437" onclick="window.open(this.href); return false;" title="Voir l'image PIA00437: Planet Mercury sur le site de la NASA">Voir l'image PIA00437: Planet Mercury sur le site de la NASA.</a></div>
PIA00437: Planet Mercury
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Mercure_Caloris.jpg
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