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<title><![CDATA[Bienvenue sur le site de l'agence Ciel et Espace Photos, spécialisée en astronomie :]]></title>
<link>http://www.cieletespacephotos.fr/main.php</link>
<description><![CDATA[---------------------------------------------------<br />
<b><a href="http://www.cieletespacephotos.fr/main.php/v/Actus/020-01205-01high.jpg.html">L'image du jour : <font color="CF310">Magnifique galaxie spirale barrée NGC 1073 par Hubble Space Telescope ... -&gt;</font></a></b><br />
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La première <a href="http://www.cieletespacephotos.fr/main.php/v/Espace/soyuzKourou/">fusée Soyuz-2 depuis le centre spatiale de Kourou</a> a décollée aujourd'hui Vendredi 21 octobre 2011 à 12h30 heure de Paris. Cette nouvelle version du lanceur russe emportera à son bord, deux satellites Galileo. <br />
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<b>NOUVEAU : Ciel et Espace Photos et le laboratoire professionnel <a href="http://www.picto.fr/">PICTO</a> vous présentent <a href="http://www.cieletespacephotos.fr/main.php/v/tirages-prestige/">Les Tirages Prestige du Ciel</a> que vous pouvez dès maintenant commander en ligne.</b><br />
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Pour en savoir plus sur <a href="http://www.cieletespacephotos.fr/main.php/v/Espace/Sondes/MSL/">Curiosity</a> et <a href="http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/Curiosity/">le cratère Gale</a>...<br />
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Notre fond photographique se compose de plus de 18 000 images numérisées comprenant <a href="http://www.cieletespacephotos.fr/main.php/v/Reportages/">des reportages</a>, <a href="http://www.cieletespacephotos.fr/main.php/v/Portfolios/">des portfolios</a> par les plus grands astrophotographes et illustrateurs, mais aussi des images réalisées par les instruments professionnels de pointe (Nasa, Esa, Eso, etc.). <br />
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N'hésitez pas à nous contacter pour vos devis, vos recherches ou si vous rencontrez le moindre problème pour trouver une image : <br />
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You could reach too <a href="http://www.cieletespacephotos.fr/main.php/v/Portfolios/Agents/">our european agents</a>.<br />
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Bonne visite, bonne recherche !]]></description>
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<image><url>http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=99589</url>
 <title><![CDATA[Bienvenue sur le site de l'agence Ciel et Espace Photos, spécialisée en astronomie :]]></title>
 <link>http://www.cieletespacephotos.fr/main.php</link></image><item>
 <title><![CDATA[608-00110-02high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Univers/IllustrUnivers/608-00110-02high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Univers/IllustrUnivers/608-00110-02high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Univers/IllustrUnivers/608-00110-02high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103783" width="150" height="84"/></a><br/>An artist's impression of an accreting X-ray millisecond pulsar. The flowing material from the companion star forms a disk around the neutron star which is truncated at the edge of the pulsar magnetosphere.<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Univers/IllustrUnivers/">Illustration Univers</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:25:19 +0100</pubDate>
</item>
<item>
 <title><![CDATA[020-01205-01high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Actus/020-01205-01high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Actus/020-01205-01high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Actus/020-01205-01high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103781" width="150" height="118"/></a><br/>The NASA/ESA Hubble Space Telescope has taken a picture of the barred spiral galaxy NGC 1073, which is found in the constellation of Cetus (The Sea Monster). Our own galaxy, the Milky Way, is thought to be a similar barred spiral, and the study of galaxies such as NGC 1073 can help astronomers learn more about our celestial home.<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Actus/"><font color="CF310C">L'ACTUALITE EN IMAGES :</font> Les toutes dernières images de l'univers...</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:24:48 +0100</pubDate>
</item>
<item>
 <title><![CDATA[020-01205-01high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/020-01205-01high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/020-01205-01high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/020-01205-01high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103778" width="150" height="118"/></a><br/>The NASA/ESA Hubble Space Telescope has taken a picture of the barred spiral galaxy NGC 1073, which is found in the constellation of Cetus (The Sea Monster). Our own galaxy, the Milky Way, is thought to be a similar barred spiral, and the study of galaxies such as NGC 1073 can help astronomers learn more about our celestial home.<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/">Les galaxies</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:24:26 +0100</pubDate>
</item>
<item>
 <title><![CDATA[020-03607-03high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Actus/020-03607-03high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Actus/020-03607-03high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Actus/020-03607-03high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103776" width="150" height="128"/></a><br/>This image shows the Large Magellanic Cloud galaxy in infrared light as seen by the Herschel Space Observatory, a European Space Agency-led mission with important NASA contributions, and NASA's Spitzer Space Telescope. In the instruments' combined data, this nearby dwarf galaxy looks like a fiery, circular explosion. Rather than fire, however, those ribbons are actually giant ripples of dust spanning tens or hundreds of light-years. Significant fields of star formation are noticeable in the center, just left of center and at right. The brightest center-left region is called 30 Doradus, or the Tarantula Nebula, for its appearance in visible light. The colors in this image indicate temperatures in the dust that permeates the Cloud. Colder regions show where star formation is at its earliest stages or is shut off, while warm expanses point to new stars heating surrounding dust. The coolest areas and objects appear in red, corresponding to infrared light taken up by Herschel's Spectral and Photometric Imaging Receiver at 250 microns, or millionths of a meter. Herschel's Photodetector Array Camera and Spectrometer fills out the mid-temperature bands, shown here in green, at 100 and 160 microns. The warmest spots appear in blue, courtesy of 24- and 70-micron data from Spitzer. <br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Actus/"><font color="CF310C">L'ACTUALITE EN IMAGES :</font> Les toutes dernières images de l'univers...</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:23:25 +0100</pubDate>
</item>
<item>
 <title><![CDATA[020-03607-03high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/020-03607-03high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/020-03607-03high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/020-03607-03high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103773" width="150" height="128"/></a><br/>This image shows the Large Magellanic Cloud galaxy in infrared light as seen by the Herschel Space Observatory, a European Space Agency-led mission with important NASA contributions, and NASA's Spitzer Space Telescope. In the instruments' combined data, this nearby dwarf galaxy looks like a fiery, circular explosion. Rather than fire, however, those ribbons are actually giant ripples of dust spanning tens or hundreds of light-years. Significant fields of star formation are noticeable in the center, just left of center and at right. The brightest center-left region is called 30 Doradus, or the Tarantula Nebula, for its appearance in visible light. The colors in this image indicate temperatures in the dust that permeates the Cloud. Colder regions show where star formation is at its earliest stages or is shut off, while warm expanses point to new stars heating surrounding dust. The coolest areas and objects appear in red, corresponding to infrared light taken up by Herschel's Spectral and Photometric Imaging Receiver at 250 microns, or millionths of a meter. Herschel's Photodetector Array Camera and Spectrometer fills out the mid-temperature bands, shown here in green, at 100 and 160 microns. The warmest spots appear in blue, courtesy of 24- and 70-micron data from Spitzer. <br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/">Les galaxies</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:23:00 +0100</pubDate>
</item>
<item>
 <title><![CDATA[020-01302-04high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/020-01302-04high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/020-01302-04high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/020-01302-04high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103770" width="146" height="150"/></a><br/>The large face-on grand design spiral galaxy NGC 1232 has undoubtedly interacted in complex ways with its smaller irregular companion galaxy NGC 1232A (seen in the image on the left) and that interaction has left an indelible mark on the larger galaxy. The sweeping spiral arms appear to be &quot;bent&quot; in areas rather than the gently curving structures seen in undisturbed spiral galaxies. This aberration of the arms is likely due to gravitational encounters with NGC 1232A as it orbits the larger spiral. Radiowave studies indicate a large envelope of neutral gas extending well beyond the optical extent of the galaxy. Rotational velocity measurements of the galaxies huge spiral arms suggest a large component of dark matter comprising NGC 1232. NGC1232 spans some 200,000 light years making it almost twice the size of the Milky Way. <br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Galaxies/">Les galaxies</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:23:00 +0100</pubDate>
</item>
<item>
 <title><![CDATA[710-00241-02high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Actus/710-00241-02high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Actus/710-00241-02high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Actus/710-00241-02high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103768" width="150" height="150"/></a><br/>Vue globale de la Terre centre sur l'Afrique et l'ocean Indien<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Actus/"><font color="CF310C">L'ACTUALITE EN IMAGES :</font> Les toutes dernières images de l'univers...</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:22:16 +0100</pubDate>
</item>
<item>
 <title><![CDATA[710-00241-02high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Terre/VuesGlob/710-00241-02high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Terre/VuesGlob/710-00241-02high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Terre/VuesGlob/710-00241-02high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103765" width="150" height="150"/></a><br/>Vue globale de la Terre centre sur l'Afrique et l'ocean Indien<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Terre/VuesGlob/">Les vues globales de la Terre</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:22:02 +0100</pubDate>
</item>
<item>
 <title><![CDATA[003-08150-57high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Actus/003-08150-57high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Actus/003-08150-57high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Actus/003-08150-57high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103763" width="150" height="113"/></a><br/>Another Well-Preserved Impact Crater. Shown here is a stereo pair of a well-preserved impact crater about 6 or 7 kilometers wide from rim to rim. By well-preserved we mean that the crater has a sharp rim, deep cavity, impact morphologies preserved down to scales of tens of meters, and little sign of infilling or degradation by a range of processes (other impacts, volcanism, tectonism, icy flow, aeolian erosion and infill, etc.). When seen at full HiRISE resolution, almost all craters on Mars do show some modification such as subsequent smaller impacts, wind-blown deposition and/or erosion, and downslope movement of material on steep slopes. We have imaged hundreds of well-preserved impact craters on Mars ranging from 1 meter to more than 100 kilometers wide. These targets are of great interest for multiple reasons: first, we want to better understand impact cratering, a fundamental surface process. Second, such craters often contain good exposures of bedrock in the steep walls and, if the crater is large enough, in the central uplift. Just like terrestrial geologists are attracted to good bedrock outcrops like road cuts, planetary geologists are attracted to well-preserved craters. Third, the steep slopes often reveal active processes, such as formation of gullies, boulder falls, and slope streaks that could form in a variety of ways. Some of these active processes could be related to water, since the crater may expose lenses of ice or salty water, or create deep shadows that trap volatiles, or expose salts that can extract water from the air. Latitude (centered):-20.4 degrees Longitude (East):59.1 degrees<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Actus/"><font color="CF310C">L'ACTUALITE EN IMAGES :</font> Les toutes dernières images de l'univers...</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:20:21 +0100</pubDate>
</item>
<item>
 <title><![CDATA[003-08150-54high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Actus/003-08150-54high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Actus/003-08150-54high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Actus/003-08150-54high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103761" width="150" height="113"/></a><br/>The Floor of Toro Crater. Toro Crater may have experienced hydrothermal alteration, producing diverse minerals.In general the blue and green colors indicate unaltered minerals like pyroxene and olivine, whereas the warmer colors indicate alteration into clays and other minerals. The linear north-south trending features are windblown dunes that are much younger than the bedrock. Latitude (centered):17.0 degrees Longitude (East):71.7 degrees<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Actus/"><font color="CF310C">L'ACTUALITE EN IMAGES :</font> Les toutes dernières images de l'univers...</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:20:21 +0100</pubDate>
</item>
<item>
 <title><![CDATA[003-08150-57high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-57high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-57high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-57high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103758" width="150" height="113"/></a><br/>Another Well-Preserved Impact Crater. Shown here is a stereo pair of a well-preserved impact crater about 6 or 7 kilometers wide from rim to rim. By well-preserved we mean that the crater has a sharp rim, deep cavity, impact morphologies preserved down to scales of tens of meters, and little sign of infilling or degradation by a range of processes (other impacts, volcanism, tectonism, icy flow, aeolian erosion and infill, etc.). When seen at full HiRISE resolution, almost all craters on Mars do show some modification such as subsequent smaller impacts, wind-blown deposition and/or erosion, and downslope movement of material on steep slopes. We have imaged hundreds of well-preserved impact craters on Mars ranging from 1 meter to more than 100 kilometers wide. These targets are of great interest for multiple reasons: first, we want to better understand impact cratering, a fundamental surface process. Second, such craters often contain good exposures of bedrock in the steep walls and, if the crater is large enough, in the central uplift. Just like terrestrial geologists are attracted to good bedrock outcrops like road cuts, planetary geologists are attracted to well-preserved craters. Third, the steep slopes often reveal active processes, such as formation of gullies, boulder falls, and slope streaks that could form in a variety of ways. Some of these active processes could be related to water, since the crater may expose lenses of ice or salty water, or create deep shadows that trap volatiles, or expose salts that can extract water from the air. Latitude (centered):-20.4 degrees Longitude (East):59.1 degrees<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/">Surface de Mars depuis l'espace</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:20:03 +0100</pubDate>
</item>
<item>
 <title><![CDATA[003-08150-56high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-56high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-56high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-56high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103755" width="150" height="113"/></a><br/>Active Erosion in Pasteur Crater. This image shows knobs and bluffs that are being actively eroded by the Martian wind. Fine, light-toned sedimentary layering is exposed in the bedrock at the base of the cliffs. Also in this scene are two types of unconsolidated aeolian sediments. The reddish ridges are relatively immobile, and are probably similar to granule ripples on Earth that are protected from the winds by a surface layer of coarse grains. The dark gray dunes are probably made up of fine (approximately 0.1 mm) basaltic sand. This sand is thought to be locally derived, from dark deposits within a small crater called Euphrates that is located within Pasteur, upwind of the sand dunes. The movement of this sand contributes to the erosion of the ancient bedrock, sandblasting the formation into the knobs seen today and exposing layers that were deposited in ages past. Latitude (centered):19.3 degrees Longitude (East):24.2 degrees<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/">Surface de Mars depuis l'espace</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:20:03 +0100</pubDate>
</item>
<item>
 <title><![CDATA[003-08150-55high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-55high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-55high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-55high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103752" width="150" height="113"/></a><br/>Crater with Gullies on a Central Structure. The 40-kilometer diameter unnamed crater (49 degrees North, 21 degrees East) in this image is located west of Lyot Crater and north of Deuteronilus Mensae in the Northern Plains of Mars. As seen in the subimage, gully systems in the central structure have eroded underlying layers (undercutting) that are less resistant to erosion than the surface rock of the central structure. Previous channelized water flows likely transported the eroded sediments toward the southeast and deposited them forming the expansive debris aprons. The formation of channels on the debris aprons supports the hypothesis that these sediments were transported down the gullies and then deposited onto the aprons by flowing water. In the larger, northernmost system, sediments have partially filled in the channel segments and winds have remobilized these sediments forming the dunes that line the gullies.<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/">Surface de Mars depuis l'espace</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:20:03 +0100</pubDate>
</item>
<item>
 <title><![CDATA[003-08150-54high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-54high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-54high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/003-08150-54high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103749" width="150" height="113"/></a><br/>The Floor of Toro Crater. Toro Crater may have experienced hydrothermal alteration, producing diverse minerals.In general the blue and green colors indicate unaltered minerals like pyroxene and olivine, whereas the warmer colors indicate alteration into clays and other minerals. The linear north-south trending features are windblown dunes that are much younger than the bedrock. Latitude (centered):17.0 degrees Longitude (East):71.7 degrees<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/SystemeSolaire/Mars/SurfaceMar/">Surface de Mars depuis l'espace</a>]]></description>
 <category>photo</category>
 <pubDate>Fri, 03 Feb 2012 11:20:03 +0100</pubDate>
</item>
<item>
 <title><![CDATA[017-03480-05high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Actus/017-03480-05high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Actus/017-03480-05high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Actus/017-03480-05high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103745" width="150" height="150"/></a><br/>The Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory has imaged a region of star formation called NGC 3324. The intense radiation from several of NGC 3324's massive, blue-white stars has carved out a cavity in the surrounding gas and dust. The ultraviolet radiation from these young hot stars also cause the gas cloud to glow in rich colours. NGC 3324 is located in the southern constellation of Carina (The Keel, part of Jason’s ship the Argo) roughly 7500 light-years from Earth. It is on the northern outskirts of the chaotic environment of the Carina Nebula, which has been sculpted by many other pockets of star formation (eso0905). A rich deposit of gas and dust in the NGC 3324 region fuelled a burst of starbirth there several millions of years ago and led to the creation of several hefty and very hot stars that are prominent in the new picture. Stellar winds and intense radiation from these young stars have blown open a hollow in the surrounding gas and dust. This is most in evidence as the wall of material seen to the centre right of this image. The ultraviolet radiation from the hot young stars knocks electrons out of hydrogen atoms, which are then recaptured, leading to a characteristic crimson-coloured glow as the electrons cascade through the energy levels, showing the extent of the local diffuse gas. Other colours come from other elements, with the characteristic glow from doubly ionised oxygen making the central parts appear greenish-yellow.<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Actus/"><font color="CF310C">L'ACTUALITE EN IMAGES :</font> Les toutes dernières images de l'univers...</a>]]></description>
 <category>photo</category>
 <pubDate>Thu, 02 Feb 2012 17:06:43 +0100</pubDate>
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 <title><![CDATA[017-03480-05high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Univers/Nebuleuses/017-03480-05high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Univers/Nebuleuses/017-03480-05high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Nebuleuses/017-03480-05high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103742" width="150" height="150"/></a><br/>The Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory has imaged a region of star formation called NGC 3324. The intense radiation from several of NGC 3324's massive, blue-white stars has carved out a cavity in the surrounding gas and dust. The ultraviolet radiation from these young hot stars also cause the gas cloud to glow in rich colours. NGC 3324 is located in the southern constellation of Carina (The Keel, part of Jason’s ship the Argo) roughly 7500 light-years from Earth. It is on the northern outskirts of the chaotic environment of the Carina Nebula, which has been sculpted by many other pockets of star formation (eso0905). A rich deposit of gas and dust in the NGC 3324 region fuelled a burst of starbirth there several millions of years ago and led to the creation of several hefty and very hot stars that are prominent in the new picture. Stellar winds and intense radiation from these young stars have blown open a hollow in the surrounding gas and dust. This is most in evidence as the wall of material seen to the centre right of this image. The ultraviolet radiation from the hot young stars knocks electrons out of hydrogen atoms, which are then recaptured, leading to a characteristic crimson-coloured glow as the electrons cascade through the energy levels, showing the extent of the local diffuse gas. Other colours come from other elements, with the characteristic glow from doubly ionised oxygen making the central parts appear greenish-yellow.<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Nebuleuses/">Les nébuleuses</a>]]></description>
 <category>photo</category>
 <pubDate>Thu, 02 Feb 2012 17:05:58 +0100</pubDate>
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 <title><![CDATA[017-01410-02high]]></title>
 <link>http://www.cieletespacephotos.fr/main.php/v/Univers/Nebuleuses/017-01410-02high.jpg.html</link>
 <guid isPermaLink="false">http://www.cieletespacephotos.fr/main.php/v/Univers/Nebuleuses/017-01410-02high.jpg.html</guid>
 <description><![CDATA[<a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Nebuleuses/017-01410-02high.jpg.html"><img border="0" src="http://www.cieletespacephotos.fr/main.php?g2_view=core.DownloadItem&amp;g2_itemId=103739" width="144" height="150"/></a><br/>Champs large aurtour de la nebuleuse de la Carene. This image is a colour composite made from exposures from the Digitized Sky Survey 2 (DSS2). The field of view is approximately 4.7 x 4.9 degrees.<br/>Dans l'album <a href="http://www.cieletespacephotos.fr/main.php/v/Univers/Nebuleuses/">Les nébuleuses</a>]]></description>
 <category>photo</category>
 <pubDate>Thu, 02 Feb 2012 17:05:58 +0100</pubDate>
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