USATODAY.com - It's bigger than Pluto but is it a planet?: "It's bigger than Pluto — but is it a planet?
By Peter N. Spotts, The Christian Science Monitor
If Pluto truly is the ninth planet, then it's official: Our solar system has 10. Astronomers have sized up an object — known formally as 2003 UB313 — and determined that it really is bigger than Pluto."
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