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* Gliese 581: First exoplanet that has the potential to support life (Video) * October 13 UFO (Video) The galaxy's light first started traveling 13 billion years ago, right after the Big Bang. This galaxy has a red shift of 8.55, making it the farthest and oldest ever seen. * Hottest Chick...  * Who's that Pixie haired Girl* Kim Kardashian W Magazine Galaxy discovered in the in deep Wide Field Camera 3 observations of the Hubble Ultra Deep Field and was published in the journal Nature on October 21, 2010. Matt Lehnert of the Observatoire de Paris in France, is lead author of the scientific paper announcing the discovery. Lehnert claims that UDFy-38135539 has only a tenth to a hundredth of the number of stars in the Milky Way galaxy. Subsequent observations by ground based telescopes show that it is emitting Lyman-α photons  which indicates that the galaxy
is the first one from
the reionization epoch to be observed. Before the discovery of
UDFy-38135539 the oldest and most distant know galaxy was IOK-1Light travels at a speed of 186,000 miles a second, or about 6 trillion miles (10 trillion km) a year. Astronomers can use light-speed as a kind of time machine, and seeing light emitted from objects very far away shows them as they were in the past. In this case, the galaxy's light first started traveling 13 billion years ago, right after the Big Bang. The distance is measured using what is called red shift, a kind of Doppler effect of light. Just as a train's whistle seems to change in pitch as the train approaches and passes, light's color also shifts. This galaxy has a red shift of 8.55, making it the farthest and oldest ever seen. At this time in the early universe, a haze of hydrogen gas was everywhere, but radiation from primeval galaxies was causing a process called ionization that changed the nature of the hydrogen. * Harry Potter and the Deathly Hallows Trailer (Video) * Kim Kardashian: I'm 'totally Fine' After Bar Fight * 100 Sexiest Kim Kardashian (video) * Hot Pages * Megan Fox's sexy Video * Reutimann delivers payback hit (Video) * Gliese 581: The first potentially habitable exoplanet (Video) * Monster smile, Jimmie Johnson is back (Video) * The Look Armstrong - Ullrich (Video) * Lady Gaga-inspired Lenny, Gossip Raccoon Taylor Momsen, Rihanna, Gwen Stefani. * Oksana Grigorieva Says... * Lady GaGa's new tat Born This Way * From Lady to the Senate (Video) * Rocket Ronnie O'Sullivan 147 (Video) * Lady Meatt * PETA VS. LadyGaGa * Lady CaCa Video * Lady GaGa and ex-boyfriend... * Nadal 360 Spin Shot (Video) * Jump from hotel balconies (Video) * The Look Armstrong - Ullrich (Video) * Mark Renshaw's Headbutts show (Video) * End of the Tour de Lance (Video) * While Cadel Evans gently weeps (Video) * Top 6 Skinny Foodss * 8 Craziest health rumorss * Bob Burnquist 900degree (Video) * Nascar @ Atlanta (Video) * Las Vegas police are defending Paris Hilton's quick release from jail * Shoya Tomizawa crash (Video) * Hawking Vs. The God * R.I.P Laurent Fignon... * Roger Federer Between The Legs Shot (Video) * End of the World: Apophis (Video)) * Boom De Yada Ah Dah (Video) * Pirates of the Caribbean: On Stranger Tides * Hot Pages * Dallas star calls for solar energy (Video)... * Miguel Ángel Jiménez Amazing Off the Wall Shot (Video) * Greece VS. Serbia: Boxketball! * A raging bull jumped into the packed grandstands of a bullring and ran amok (Video) * Shaq VS Sugar Shane Mosley, Shaq VS Penn & Teller (Video) * King LeBron throws down dunk against kids (Video) * PosterLeBron: Dunk over King (Video) * DAVID_LYNCH: I've fallen in love with Lisse (Video) * Lindsay Lohan's video * Yellow lobster 1 in 30 million (Video) * Schumacher, dangerous move on Barrichello (Video) * Hello boys and girls, or whatever... (Video) * Lady Gaga has become the first living person to... * Dallas star calls for solar energy (Video)... * Mayan Calendar Dresden Codexx * Matador arrested after running away from bullfight (Video)) * Nascar Daytona Coke Zero 400 Crash (Video) * Lady GaGa original Telephone * Victoria's Secret model Adriana Lima topless in shoot * How Heidi Klum is so hot? (Video) * 4 Foods to Help You Look Years Youngerr * The 7 foods experts won't eat |
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