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Solar System

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StarDate 7/16/2014: Cosmic Missiles Slam Into Jupiter

Our solar system can be a dangerous place. The most striking evidence of that came 20 years ago today, when the first fragment of a shattered comet blasted the planet Jupiter.

07/16/2014

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StarDate 7/3/2014: Looking For Fresh Ideas

Jupiter’s moon Europa is one of the most intriguing bodies in the solar system. Its icy crust appears to cover a global ocean that could be many miles deep.

07/03/2014

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StarDate 5/21/2014: Looking For Distant Neighbors

The hinterlands of our solar system are tough to study. The objects beyond the realm of the planets are so far and small that it’s difficult to even find them.

05/21/2014

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StarDate 5/1/2014: Young Planets On The Move

Young planets are on the move — they may be born far from their stars but quickly move closer. Some may get too close — they may fall into the star and be destroyed.

05/01/2014

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StarDate 4/30/2014: A Giant Planet Near The Head Of The Water Snake

Hydra, the water snake, slithers low across the sky on spring evenings. Its faint head is in the southwest at nightfall. Last year, astronomers reported the discovery of a giant planet orbiting a star that’s not far from the head.

04/30/2014

An artist's concept of the new planet dubbed Kepler-37b. (NASA)

Kepler Telescope Finds Smallest Planet Yet Outside Solar System

Astronomers have found the smallest planet yet outside of our solar system.

02/20/2013