Interiors of extrasolar planets: A first step

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Correlation between the amount of heavy elements in the transiting planets and the metallicity of their parent stars.
Correlation between the amount of heavy elements in the transiting planets and the metallicity of their parent stars.

A team of European astronomers, led by T. Guillot (CNRS, Observatoire de la Côte d’Azur, France), will publish a new study of the physics of Pegasids (also known as hot Jupiters) in Astronomy & Astrophysics. They found that the amount of heavy elements in Pegasids is correlated to the metallicity of their parent stars. This is a first step in understanding the physical nature of the extrasolar planets.


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All News summaries for May 30, 2006

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7 hours ago | User rating: not rated yet
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'Impressionist' Spacecraft to View Solar System's Invisible Frontier

8 hours ago | User rating: not rated yet
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8 hours ago | User rating: not rated yet
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Partial Solar Eclipse visible from the UK on the morning of 1st August

Jul 25, 2008 | User rating: not rated yet
On 1st August 2008 there will be a total eclipse of the Sun, visible from Canada, northern Greenland, Svalbard, the Barents Sea, Russia, Mongolia and China. From the whole of the British Isles observers will see a partial ...

Rising energy, food prices major threats to wetlands as farmers eye new areas for crops

Jul 25, 2008 | User rating: not rated yet
Critical food shortages and growing demand for bio-fuels and hydro-electricity due to high fossil fuel prices rank among the greatest threats today to the preservation of precious wetlands worldwide as farmers and developers ...
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