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Jupiter-like planets could form around twin suns
Jan 05, 2009 |
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(PhysOrg.com) -- Life on a planet ruled by two suns might be a little complicated. Two sunrises, two sunsets. Twice the radiation field.
Astronomers discover 'tilted planets'
Dec 22, 2009 |
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(PhysOrg.com) -- University of Exeter, UK, research has added to a growing evidence that several giant planets have orbits so tilted that their orbits can be perpendicular or even backwards relative to their ...
Making Jupiters
Aug 21, 2009 |
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IC348 is a glowing nebula of young stars, hot gas, and cold dust seen in the direction of the constellation of Perseus. It is the nearest rich cluster of young stars to earth, being only about one thousand ...
Mind the gap: VLT instrument hints at the presence of planets in young gas discs
Sep 08, 2008 |
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Astronomers have been able to study planet-forming discs around young Sun-like stars in unsurpassed detail, clearly revealing the motion and distribution of the gas in the inner parts of the disc. This result, ...
Unsettled Youth: Spitzer Observes a Chaotic Planetary System
Nov 04, 2009 |
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(PhysOrg.com) -- Before our planets found their way to the stable orbits they circle in today, they wiggled and jostled about like unsettled children. Now, NASA's Spitzer Space Telescope has found a young ...
Two unusual older stars giving birth to second wave of planets
Jan 09, 2008 |
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Hundreds of millions — or even billions — of years after planets would have initially formed around two unusual stars, a second wave of planetesimal and planet formation appears to be taking place, UCLA astronomers ...
Young planets stay hotter longer
Oct 14, 2008 |
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(PhysOrg.com) -- Young planets around other stars may be easier to spot because they stay hotter way longer than astronomers have thought, according to new work by MIT planetary scientist Linda Elkins-Tanton.
Planets Living on the Edge
Dec 17, 2008 |
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(PhysOrg.com) -- Some stars have it tough when it comes to raising planets. A new image from NASA's Spitzer Space Telescope shows one unlucky lot of stars, born into a dangerous neighborhood. The stars themselves ...
Baby Jupiters must gain weight fast
Jan 05, 2009 |
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The planet Jupiter gained weight in a hurry during its infancy. It had to, since the material from which it formed probably disappeared in just a few million years, according to a new study of planet formation ...
Dusty Shock Waves Generate Planet Ingredients
Nov 11, 2008 |
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(PhysOrg.com) -- Shock waves around dusty, young stars might be creating the raw materials for planets, according to new observations from NASA's Spitzer Space Telescope.
Building Planet Earth
Oct 22, 2009 |
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A new study shows how rocky planets are formed from the manic swirl of gas and dust that surround a young star, and determines what chemical building blocks are used to construct the planets. Understanding ...
Radio telescope images reveal planet-forming disk orbiting twin suns
Jun 10, 2009 |
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Astronomers are announcing today that a sequence of images collected with the Smithsonian's Submillimeter Array (SMA) clearly reveals the presence of a rotating molecular disk orbiting the young binary star ...
Keck Telescopes Take Deeper Look at Planetary Nurseries
17 hours ago |
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(PhysOrg.com) -- Astronomers using the W. M. Keck Observatory have peered far into a young planetary system, giving an unprecedented view of dust and gas that might eventually form planets similar to Jupiter, ...
Dead Stars Tell Story of Planet Birth
Jan 05, 2009 |
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(PhysOrg.com) -- Astronomers have turned to an unexpected place to study the evolution of planets -- dead stars. Observations made with NASA's Spitzer Space Telescope reveal six dead "white dwarf" stars littered ...
Cool Stars Have Different Mix of Life-Forming Chemicals
Apr 07, 2009 |
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(PhysOrg.com) -- Life on Earth is thought to have arisen from a hot soup of chemicals. Does this same soup exist on planets around other stars? A new study from NASA's Spitzer Space Telescope hints that planets ...
