Tuesday, October 10, 2006

Hubble observations confirm planet birth theory

The Hubble Space Telescope has provided definitive evidence for a long-predicted theory that planets form from debris disks around stars, astronomers said on Monday.

A team of astronomers reported for the first time the discovery of an exotic planet being aligned with its star's circumstellar disk of dust and gas. The planet, detected in the year 2000 and called Epsilon Eridani b, orbits the nearby Sun-like star Epsilon Eridani 10.5 light-years from Earth in the constellation Eridanus.

The planet's orbit is inclined 30 degrees to Earth, the same angle at which a disk of dust and gas also encircles the star, the astronomers said in the November issue of the Astronomical Journal.

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Tags: birth theory | observations | Evidence | confirm | Hubble

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