It’s icy, rocky and bigger than Pluto. And according to scientists who found it orbiting the sun, it’s the newest planet on our solar system’s block. The planet _ the farthest-known object in the solar system _ is currently 9 billion miles away from the sun, or about three times Pluto’s current distance from the sun.
“This is the first object to be confirmed to be larger than Pluto in the outer solar system,” Michael Brown, a planetary scientist at the California Institute of Technology, said Friday in a telephone briefing announcing the discovery.
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