Five new moons for Neptune
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Five new moons have been discovered orbiting the giant planet Neptune.
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Jet Propulsion Lab -- With eyes sharper than any that have peered at Saturn before, the Cassini spacecraft has uncovered two moons, which may be the smallest bodies so far seen around the ringed planet.     The moons are approximately 3 kilometers (2 miles) and 4 kilometers (2.5 miles) across -- smaller than the city of Boulder, Colorado...
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Nov. 4, 2004 - A rare alignment of Jupiter&#39;s three largest moons across the planet&#39;s face was captured on film by the Hubble Space Telescope.
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PASADENA - Northrop Grumman Space Technology has been selected to help NASA design a nuclear-powered spacecraft to orbit and explore three moons of Jupiter that may have oceans beneath their icy surfaces.
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Scientists say that Neptune, one of the coldest planets in the solar system, has a surprising warm spot &#151; relatively speaking.
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Among a batch of new planets, found by the Hubble telescope on a small patch of sky in Sagittarius, are as many as five that orbit their home stars in less than a day.
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Astronomers have discovered a new class of planets that take less than a day to whiz round their parent stars.
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Two new moons were spotted around Saturn by the Cassini space probe, raising the total to 33 moons for the ringed planet, NASA said on Monday.
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Jet Propulsion Lab -- Scientists have discovered irregular lumps beneath the icy surface of Jupiter's largest moon, Ganymede. These irregular masses may be rock formations, supported by Ganymede's icy shell for billions of years...
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While a pair of  NASA&nbsp;rovers explore Mars and&nbsp;the Cassini-Huygens mission peers close  at Saturn, two research teams&nbsp;are targeting a more distant planetary  quarry, the ice giant Neptune.
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UK scientists using the Cassini probe find a new ring and one, possibly two, new objects orbiting Saturn.
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A discovery now has some astronomers entertaining visions of icy volcanoes roiling on some of the tiny worlds circling beyond Neptune, at least at one time.
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The Cassini spacecraft in orbit around Saturn caught a glimpse of Tethys, a cratered, icy moon. Notable for Tethys are its split fissure and enormous crater, both of which leave the impression that its fragile surface is remaking itself slowly...
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The Cassini-Huygens mission in orbit around Saturn discovers two new moons around the ringed planet.
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Scientists from the Jet Propulsion Laboratory have pieced together the most detailed images of two Saturnian moons from pictures the Cassini orbiter captured at the end of October.
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NASA's Cassini spacecraft has spied two new little moons around satellite-rich Saturn, the space agency said.
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Titan and Dione, two of the moons orbiting Saturn, apparently aren&#39;t exactly what researchers had previously believed. Photographs taken during a flyby of the Cassini space probe this week may clarify and