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Vote Now! Top Space Stories of the Week - Oct. 21, 2012

Tiniest Alien Solar System Discovered: 5 Packed Planets

Illustration by Karl Tate, SPACE.com

The most crowded alien planet system found yet possesses five worlds all orbiting a star 150 times closer than Earth does the sun, researchers say. [Full Story]

NEXT: Amateur Team Finds 'Tatooine' Planet with 2 Suns in 4-Star System

Amateur Team Finds 'Tatooine' Planet with 2 Suns in 4-Star System

Haven Giguere/Yale

Amateur astronomers have helped discover an alien planet with two suns and a twinkling twist: The entire twin-sun setup, a real-life version of Tatooine from "Star Wars," is orbited by two more stars — a solar system that is the first of its kind known. [Full Story]

NEXT: NASA's Cassini Probe at Saturn Celebrates 15 Years in Space

NASA's Cassini Probe at Saturn Celebrates 15 Years in Space

NASA/JPL-Caltech/Space Science Institute

NASA’s Cassini spacecraft celebrated 15 years in space on Monday [Full Story]

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