News tagged with gas giant

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'Hot Jupiter' planets unlikely to have moons

(PhysOrg.com) -- Planets of the major type so far found outside our solar system are unlikely to have moons, according to new research reported in the August 20 issue of The Astrophysical Journal Letters.

Aug 23, 2010 report
4 / 5 (7) 3 | with audio podcast

Cometary Impact on Neptune Two Centuries Ago

(PhysOrg.com) -- (PhysOrg.com) -- A comet may have hit the planet Neptune about two centuries ago. This is indicated by the distribution of carbon monoxide in the atmosphere of the gas giant that researchers ...

Jul 16, 2010
4.9 / 5 (15) 2 | with audio podcast

Superhot Planet Likely Possesses Comet-like Tail

(PhysOrg.com) -- As if the debate over what is and what is not a planet hasn't gotten confusing enough, Hubble Space Telescope astronomers have now confirmed the existence of a tortured, baked object that ...

Jul 15, 2010
4.8 / 5 (9) 3 | 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

The Magical Mystery Tour

Cassini, the first spacecraft to orbit Saturn, has revealed intricate details of the gas giant planet and its moons -- but many mysteries remain.

May 05, 2010
4.9 / 5 (8) 0

First temperate exoplanet sized up (w/ Video)

(PhysOrg.com) -- Combining observations from the CoRoT satellite and the ESO HARPS instrument, astronomers have discovered the first “normal” exoplanet that can be studied in great detail. Designated Corot-9b, ...

Mar 17, 2010
4.6 / 5 (24) 8 | with audio podcast