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American actor Keir Dullea turns 80 today. He is best known for his role of David Bowman in "2001: A Space Odyssey" and "2010: The Year We Make Contact" as well as his role as David Clemens in the 1962 film "David and Lisa" which also starred Janet Margolin and Howard Da Silva. He also appeared in the 1974 cult film, "Black Christmas." In television, he made guest appearances in many shows. Also, science fiction fans might remember him as Devon in the short-lived series, "The Starlost." https://en.wikipedia.org/wiki/Keir_Dullea http://keirdullea.org/ http://www.imdb.com/name/nm0001158/ https://www.ibdb.com/Person/View/38649 http://www.lortel.org/Archives/CreditableEntity/11226

No, I'm not obsessed with Saturn. OK, I am obsessed with Saturn. But so is Time, who picked this deliciously crispy photo as one of the images of the year, revealing ring bumps as high as the Rocky Mountains. I'm not surprised, because it's a truly unique moment, one that happens at Saturn's equinox, which is an event that only happens twice in 10,179 Earth days. And this time, we had Cassini there to take this amazing photo, just when the sun illuminates the rings edge-on. As Carolyn Porco—Cassini imaging team leader—puts it: The geometry revealed structures and phenomena in...

Cassini Finds Organic Material on Titan Tue Apr 26, 9:43 AM ET Add to My Yahoo! Science - AP PASADENA, Calif. - A close flyby of Saturn's big moon Titan by the international Cassini spacecraft revealed an upper atmosphere brimming with complex organic material, a finding that could hold clues to how life arose on Earth, scientists said Monday. Photo AP Photo Cassini flew within 638 miles of Titan's frozen surface on April 16 and discovered a hydrocarbon-laced upper atmosphere. Titan's atmosphere is mainly made up of nitrogen and methane, the simplest type of hydrocarbon. But scientists were surprised to...