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giant planet |
Also found in: Wikipedia, Hutchinson | 0.02 sec. |
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giant planet n (Astronomy) any of the planets Jupiter, Saturn, Uranus, and Neptune, characterized by large mass, low density, and an extensive atmosphere How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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We study giant planets to look inside at ourselves and to look far away," Atkinson says. Astronomers say that they have for the first time directly measured the magnetic field of a star known to host a giant planet. It is known as a gas giant planet because it is made up mostly of simple __________ and __________ molecules. |
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