News tagged with planet formation

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Six new planets discovered

(PhysOrg.com) -- An international team, including Oxford University scientists, has discovered six diverse new planets, from 'shrunken-Saturns' to 'bloated hot Jupiters', as well a rare brown dwarf with 60 ...

Jun 14, 2010 4.8 / 5 (30) 3 | with audio podcast

Brown dwarf pair mystifies astronomers

(PhysOrg.com) -- Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international ...

Dec 21, 2009 4.8 / 5 (18) 1

Destroyer of worlds

(PhysOrg.com) -- Astronomers, in addition to discovering extrasolar planets (about 500 of them currently have known orbital parameters), have detected excess, warm infrared dust emission around many stars.

Sep 24, 2010 4.8 / 5 (16) 8 | with audio podcast

Assumptions about exo-oceans

Some estimates indicate that 25% of Sun-like stars have Earth-like planets. A new study now shows that these planets are almost certain to have oceans if they are located in the right temperature zone around ...

Mar 04, 2011 5 / 5 (13) 16 | with audio podcast

Recipes for Renegade Planets

Recent discoveries of gas giant planets in unusual orbits challenge the generally accepted theory of planet formation. While these discoveries do not disprove the theory, they have opened our eyes to chaotic ...

Jul 08, 2010 4.8 / 5 (11) 2 | with audio podcast