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... controlling their formation. Astronomers did not know before the new study whether the disk around TW Hydrae contained enough material to form new planets similar to our own. Before, we had ... around other stars, said Glenn Wahlgren, Herschel program scientist at NASA Headquarters in Washington. Whether TW Hydrae's large disk will lead to an exotic planetary system with larger and more ...

... a great distance from its star. The suspected planet is orbiting the diminutive red dwarf TW Hydrae, a popular astronomy target located 176 light-years away from Earth in the constellation ... to grow through the slow accumulation of smaller debris. Complicating the story further is that TW Hydrae is only 55 percent as massive as our sun. It's so intriguing to ... formation theories as to how you can actually form a planet very far out." The TW Hydrae disk also lacks large dust grains in its outer regions. Observations from the Atacama ...

... Oct. 21 issue of the journal Science. The star with this water-logged disk, called TW Hydrae, is 10 million years old and located about 175 light-years away from Earth ... . "It is a testament to the instrument-builders that such weak signals can be detected." TW Hydrae is an orange dwarf star, somewhat smaller and cooler than our yellow-white sun ... water they contain on freshly created worlds through impacts, giving rise to oceans. Astronomers believe TW Hydrae and its icy disk may be representative of many other young star systems, providing ...

... Society for Volume 57 57 '''Page ''' - 348-352 '''Year''' - 2004 '''Keywords''' - China, Shen Zhou, astrophysics, TW-1 Satellite '''JBIS Reference Code ''' - 2004.57.348 '''Number of Pages''' - 5 Abstract While the ...

... the nearby Orion "cradle," and a peculiar planet-forming disk of material surrounding the star TW Hydra, indicating planet formation may happen over longer periods of time than expected. Herschel also ...

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