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At the Baikonur Cosmodrome in Kazakhstan, the final preparations for the launch of the German Earth observation satellite TanDEM-X are under way. The launch is scheduled for Monday 21 June 2010, 04:14 CEST. In this webcast, Manfred Zink, from the German Aerospace Center (DLR), explains the different applications and scientific benefits of the mission.

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A hundred million years ago, a triple-star system was traveling through the bustling center of our Milky Way galaxy when it made a life-changing misstep. The trio wandered too close to the galaxy's giant black hole, which captured one of the stars and hurled the other two out of the Milky Way. Adding to the stellar game of musical chairs, the two outbound stars merged to form a super-hot, blue star.

The Japan Aerospace Exploration Agency (JAXA) would like to announce that the GAmma-ray burst Polari

Astronomers using NASA's Spitzer Space Telescope have discovered carbon molecules, known as "buckyballs," in space for the first time. Buckyballs are soccer-ball-shaped molecules that were first observed in a laboratory 25 years ago.

NASA's Swift satellite views Comet Lulin as it made it closest approach to Earth in February 2009. Lulin, like all comets, is a clump of frozen gases mixed with dust. These "dirty snowballs" cast off gas and dust whenever they venture near the sun. Comet Lulin, which is formally known as C/2007 N3, was discovered in 2008 by astronomers at Taiwan's Lulin Observatory. Lulin passed closest to Earth -- 38 million miles, or about 160 times farther than the moon -- late on the evening of Feb. 23, 2009, for North America. Image Credit: NASA, Swift, Univ. Leicester, DSS (STScI/AURUA), Dennis Bodewits, et al.

NASA's Hubble Space Telescope has detected a hypervelocity star – a rare phenomenon moving three times faster than our sun.

Andes Sunset Eclipse

During a total solar eclipse,

Une équipe internationale comprenant des chercheurs français a obtenu la première image d'un disque de poussière autour d'une étoile massive en cours de formation grâce à l'utilisation simultanée de plusieurs télescopes du VLT de l'ESO.