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Exoplanetary Scratchpad

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First planetary system found that does not have a Jupiter-sized planet around a normal star (K0 spectrum). Contains 3 Neptunians and the first discovered asteroid belt that is like the size and age as the Sun's. The debris from this belt that was detected was from the breakup of an asteroid, is 20 times as massive as our own, and would cause zodiacal lights 1000 times brighter than we see from Earth. The smallest and outermost planet may be a 10 ME super Earth, is within the habitable zone, and is an inner shepherd for the asteroid belt. Halo 3 features a fictitious moon around this planet.

HD 69830 System Web Pages[]

HD 69830 System Artwork[]

HD 69830 System In the News[]

Asteroid Belt Discovered (Apr 2005)[]

The first extrasolar asteroid belt is detected around this star that is about the same size and age as the Sun's.,3604,1464446,00.html

Planets c and d Discovered (2006)[]

Note in Exozodiac Survey (2014)[]

See Also[]