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Smallest Planet

Space Telescope Spies Record-Setting Planet

AP | ALICIA CHANG | Posted 02.20.2013 | Science

LOS ANGELES -- Astronomers searching for planets outside our solar system have discovered the tiniest one yet – one that's about the size of our...

Smallest Planet Outside Solar System 'Rocky Just Like Earth'

AP | Posted 05.25.2011 | Technology

WASHINGTON — A NASA telescope has found the smallest planet outside our solar system and it is rocky just like Earth. But it is way too hot for...

Experts Spot New 5-Planet Solar System Orbiting A Sun-Like Star

AP | RAPHAEL G. SATTER and FRANK JORDANS | Posted 05.25.2011 | Technology

GENEVA — Scientists say they've identified a sun-like star with as many as seven different planets – including one that might be the small...