| A paper in the journal Science has further relegated poor Pluto's status by proving that twin dwarf planet Eris is 27 per cent larger. |
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| After being downgraded from a planet to a dwarf planet last year, it now transpires it is not even the biggest of those. |
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| In 2006 Pluto was officially downgraded from planet to dwarf planet, causing much controversy in astronomical circles. |
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| It is now believed that Pluto is a dwarf planet, like several others that have been found. |
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| In 2006, Pluto was downgraded from an official planet to a dwarf planet by the International Astronomical Union. |
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| He also added a model for Eris, another dwarf planet. |
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| Charon, largest moon of the dwarf planet Pluto. |
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| A moon is a natural satellite that orbits a planet or dwarf planet. |
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| The Dawn rocket probe will visit Vesta and the dwarf planet Ceres. |
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| The dwarf planet will transform from a pixelated blur into a sharp image of rock and ice. |
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| It is the largest moon in the Solar System relative to the size of its planet, although Charon is larger relative to the dwarf planet Pluto. |
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| The culmination of Nasa's New Horizons mission should give us unprecedented information about the dwarf planet. |
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| And the dwarf planet may yet be on the move. |
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| Ammonia ice by itself would evaporate on Ceres today, because the dwarf planet is too warm. |
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| Clyde Tombaugh, the head of optics at the missile range and the discoverer of the dwarf planet Pluto, took him under his wing and helped him build telescopes from cast-off technology. |
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| So it was downgraded to dwarf planet status. |
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| Chariklo orbits the sun but doesn't meet the other standards, while dwarf planet Pluto hasn't cleared its orbit of space debris. |
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| The exciting images from NASA's New Horizons probe finally showed us what this dwarf planet out on the very edge of our galaxy looks like. |
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| Yesterday was an historic day in space exploration, with the very first close-quarters fly-by of the dwarf planet. |
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| Pluto was officially demoted in 2006 to dwarf planet status, and despite the New Horizons' mission, Stojkovic believes Pluto will remain that way. |
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