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2012 February 8 - Enceladus Backlit by Saturn

2012 February 8 - Enceladus Backlit by Saturn
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 February 8 Explanation: This moon is shining by the light of its planet. Related:  NASA Images

Bellatrix Orionis - Views from the edge of the Universe | Bellatrix Orionis Microbes on or within Saturn's moon Enceladus? Microbes on Enceladus? There’s a chance that Saturn’s sixth-largest moon, Enceladus, might harbor microbial life according to scientists studying information obtained by NASA’s Cassini spacecraft. The spacecraft is now making a series of tantalizingly close flybys to the moon, scientists said on March 27, 2012. Saturn closest, brightest, opposite the sun on April 15, 2012 Give me five minutes and I’ll give you Saturn in 2012 Saturn's moon Enceladus has active jets or geysers on its surface that are spewing water into space. The so-called tiger stripes on Saturn's moon Enceladus can be seen in this image, on the lower part of the moon. On March 27, Cassini flew 74 kilometers (46 miles) above Enceladus’s south pole and through one of the icy plumes known to be emanating from this moon. Carolyn Porco, an award-winning planetary scientist and leader of the Imaging Science team for NASA’s Cassini spacecraft, said in a press release: Enceladus' fascinating and mysterious jets. Said Porco:

2012 January 24 - January Aurora Over Norway Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 January 24 Explanation: What's that in the sky? Interactive 3D model of Solar System Planets and Night Sky Cassini La sonde spatiale Cassini a déjà fait parler d’elle sur SSAFT, lorsqu’elle nous a offert de somptueux clichés de deux satellites de Saturne : Dioné et Rhéa. Envoyée en 1997 (l’année de la sortie de Titanic, c’est pour vous dire v’la l’temps que ça fait… Bigre, je me sens vieux d’un coup…), la sonde est arrivée en orbite autour de la planète qui fait du Hula-Hoop en 2004, après un voyage de 7 ans en jouant au yo-yo gravitationnel autour de notre Terre, Venus et Jupiter. Sur place, ce chef d’œuvre de technologie de pointe, issu de la collaboration étroite du Jet Propulsion Laboratory et de l'Agence spatiale européenne, a commencé une mission d’exploration de 4 ans. En Juin 2008, la sonde étant toujours opérationnelle, on lui fit faire du rab au cours d’une mission de 2 ans appelée Equinoxe. Voici une autre vidéo, réalisée par Stephen van Vuuren cette fois-ci, pour un résultat plus “propre” et colorisé. Décidemment, l’Astronomie est une science bien poétique.

2012 March 14 - Angry Sun Erupting Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 March 14 Explanation: It's one of the baddest sunspot regions in years. worldclock.swf (application/x-shockwave-flash Object) POODWADDLE WORLD CLOCKThe World Stats Counter (V 7.0) This minute 250 babies will be born, 100 people will die, 20 violent crimes will be reported, and the US debt will climb $1 million. The World Clock tells more than time. It shows a live picture of our changing world. The World Clock is too large for a single page. It had to be divided into multiple categories. You can rotate the map by dragging left or right or by clicking the left and right buttons on the menu. The menu provides several filter options. We show two types of stats:1.

De l'oxygène sur Dioné, satellite de Saturne Après Rhéa, Dioné est le deuxième satellite de Saturne à posséder une mince atmosphère d'oxygène. © Nasa/JPL De l'oxygène sur Dioné, satellite de Saturne - 2 Photos Admirez les satellites de Saturne en image Avec un diamètre de 1.123 kilomètres, Dioné est un satellite de Saturne qui en fait le tour en un peu moins de 3 jours, à la même distance que la Lune par rapport à la Terre. C'est un satellite glacé, le plus dense après Titan, sans doute en raison de la présence d'un noyau rocheux sous sa surface. Il se caractérise par ses deux faces distinctes liées à sa rotation synchrone (qui est égale à sa période orbitale). Le spectromètre Caps qui équipe la sonde Cassini est utilisé pour étudier la composition, la densité, le débit, la vitesse et la température des ions et des électrons dans la magnétosphère de Saturne. © Nasa Notons que la banlieue de Saturne n'est pas le seul endroit du Système solaire où certaines lunes ont une fine atmosphère d'oxygène. A voir aussi sur Internet

2012 January 22 - Saturn's Hexagon Comes to Light Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 January 22 Saturn's Hexagon Comes to Light Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: Believe it or not, this is the North Pole of Saturn. It is unclear how an unusual hexagonal cloud system that surrounds Saturn's north pole was created, keeps its shape, or how long it will last. Tomorrow's picture: ground or sky? Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)NASA Official: Phillip Newman Specific rights apply.NASA Web Privacy Policy and Important NoticesA service of:ASD at NASA / GSFC& Michigan Tech.

50th Anniversary of Canada in Space 9/24/2012 to 9/30/2012 May 23, 1963: Canada partners with NASA on ionospheric studies Following the success of Alouette, Canada partners with NASA through the International Satellites for Ionospheric Studies (ISIS) program. Canada's ISIS satellites achieved near-perfect performance and orbits — with a high percentage of successful experiments. The data spawned more than 1,200 scientific papers. Next year, CASSIOPE will be launched to study “space weather” in the ionosphere, an extension of these early studies. 10/1/2012 to 10/7/2012 September 29, 1962: Canada is the third nation to build a satellite Alouette-1 is launched, making Canada the third country to have designed and built its own satellite. Today, Canada's space industry provides jobs for 8,256 Canadians at over 200 companies, generating $3.4 billion per year for our economy. 10/8/2012 to 10/14/2012 November 29, 1965: Alouette-2 is launched Canada's Alouette-2 joins Alouette-1 in the study of the ionosphere. 10/15/2012 to 10/21/2012

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