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Artist's concept compares Earth (left) to the new planet, called Kepler-452b, which is about 60 percent larger in diameter. NASA/JPL-Caltech/T. Pyle hide caption

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NASA/JPL-Caltech/T. Pyle

Kepler Telescope Introduces Earth To A Very Distant Cousin

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In the center left of Pluto's vast heart-shaped feature – informally named "Tombaugh Regio" — lies a vast, craterless plain that appears to be no more than 100 million years old, and is possibly still being shaped by geologic processes. NASA/JHUAPL/SWRI hide caption

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NASA/JHUAPL/SWRI

On The Cold, Dead Fringes Of The Solar System, Pluto Looks Shockingly Lively

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An image of Pluto that was taken by New Horizons shortly before its flyby Tuesday shows a heart-shaped pattern on the planet's surface. NASA says Pluto "sent a love note back to Earth." NASA/Johns Hopkins Applied Physics Laboratory/Southwest Research Institute hide caption

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NASA/Johns Hopkins Applied Physics Laboratory/Southwest Research Institute

NASA Zooms In On Pluto, For Closest Views Yet

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Earth Gets A Close-Up View Of Its Most Distant Neighbors

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NASA's New Horizons mission will be the first ever to visit Pluto and its moons. This artist's conception shows the probe as it passes the dwarf planet. JHUAPL/SwRI hide caption

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JHUAPL/SwRI

Pluto-Bound Spacecraft Nears Its Quarry

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On Friday, a Russian Soyuz rocket will send an unmanned cargo ship with more than 3 tons of food, water and fuel for astronauts aboard the International Space Station. Russian Federal Space Agency hide caption

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Russian Federal Space Agency

Russian Rocket Poised For Crucial Supply Run To Space Station

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