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| WORD | MEANING | EXTRA INFORMATION |
| a | a | a |
| WORD | MEANING | LINK |
| Pluto | Tiny world orbiting the Sun in a very elliptical orbit, going as close as 4,443,000,000 km from the Sun to as far as 7,682,900,000 km away from it. Regarded as the ninth planet in the Solar System since its discovery in 1930 until being reclassified as a Dwarf Planet in 2006. Pluto takes 248 years to complete an orbit around the Sun. With a diameter of 2,280 km, Pluto is smaller than Earth's moon. Orbiting Pluto are 3 known moons: Charon, Hydra and Nix. | www.bobthealien.co.uk/pluto.htm |
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