Solar Dynamics Observatory

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Grand écran : nos plus belles photos du Soleil Juste pour le plaisir des yeux, voici une sélection à partager des plus belles photos du Soleil publiées sur le site de Ciel & Espace. [Mise à jour du 23/05 : Vous pouvez désormais voter pour votre image préférée ! Voir en bas de page.] Elles ont été prises depuis le sol ou l'espace, à travers des filtres le plus souvent, et montrent différentes facettes de notre étoile au cours des cinq dernières années, ce qui équivaut à peu près à la moitié d'un cycle solaire. Ces images spectaculaires ne doivent pas nous faire oublier que, malgré sa puissance comparable à cent millions de milliards de centrales nucléaires, le Soleil est une paisible étoile de taille moyenne, parmi les 200 milliards que compte notre galaxie. Sa particularité, jusqu'à nouvel ordre, est d'être la seule étoile a avoir enfanté la vie, sur une petite planète insignifiante, éloignée de 150 millions de kilomètres. Dans environ 5 milliards d'années, le Soleil se transformera en géante rouge. L'étoile du jour Cracheur de feu

Home Sunspot AR1944: Bigger than Earth. A few days ago, a sunspot appeared over the western edge of the Sun. Dark and foreboding, like a malevolent eye, Active Region 1944 (or just AR1944) is huge, actually a cluster of more than 60 individual sunspots, one of which is far, far larger than the Earth itself. It’s been cloudy here in Boulder, Colo., the past few days, but this morning it cleared up. I rigged a solar filter for my camera using some safe solar filter glasses given to me by my buddy Stephen Ramsden and went outside to brave the cold and get some shots. Here’s the best one: As you can see, the main sunspot is a bruiser. If you’re still having trouble picturing how ridiculously big this spot is, then maybe this observation of it by the space-based Solar Dynamics Observatory will help: Photo by NASA /SDO/Helioviewer.org Holy magnetic bottling! Sunspots are areas where the Sun’s magnetic field is very active. Staying up top on the Sun comes with a price, however.

PHILOSOPHICAL ANTHROPOLOGY: Earth Under Fire - Galactic Superwaves Lagonisi, Greece August 2009 Dr Paul LaViolette is the measured counterpart to Patrick Geryl, whose interview we have released simultaneously. A brilliant and maverick astrophysicist, Paul is best known for his research into a new theory of matter he calls Subquantum Kinetics - based on systems theory, which he studied for his PhD thesis - and for his carefully argued hypothesis, first formulated in 1983, that our galactic center periodically emits devastating waves he termed Superwaves. Galactic Superwaves are intense cosmic ray particle bombardments that originate from the center of our Galaxy, and that last for periods of up to a few thousand years. The land animal extinction episode which occurred during this interval was the worst in several million years, and Paul estimates that approximately one or two Superwaves strong enough to trigger an ice age are presently on their way to us from their birthplace at the galactic core... 23,000 light years away.

Mammoth sunspot erupts with X1-flare Huge sunspot region 1944 rotated to the center of the sun’s disk today Jan. 7. This photo was taken at noon by the Solar Dynamics Observatory. The largest spot in the group is big enough to see with the naked eye using a safe solar filter like a #14 welder’s glass. That huge sunspot we talked about two days ago erupted today at 12:32 p.m. with a powerful X-class flare. An X1-class flare erupts from within the large sunspot group 1944 this afternoon Jan. 7. If it does blow past our planet and forge a connection with our magnetic field we might expect chances for aurora to sharply increase in a couple of days.

Russia Orders Obama: Tell World About Aliens, Or We Will A stunning Ministry of Foreign Affairs (MFA) report on Prime Minister Medvedev’s [photo top right] agenda at the World Economic Forum (WEF) this week states that Russia will warn President Obama that the “time has come” for the world to know the truth about aliens, and if the United States won’t participate in the announcement, the Kremlin will do so on its own. The WEF (The Forum) is a Swiss non-profit foundation, based in Cologny, Geneva and describes itself as an independent international organization committed to improving the state of the world by engaging business, political, academic and other leaders of society to shape global, regional and industry agendas. The Forum is best known for its annual meeting in Davos, a mountain resort in Graubünden, in the eastern Alps region of Switzerland. “Along with the briefcase with nuclear codes, the president of the country is given a special ‘top secret’ folder. Source Rating: 4.5/5 (315 votes cast) Related Posts

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