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HD 74156 System

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Exoplanetary Scratchpad

[SysBP Img]

Sunlike star with two planets more massive than Jupiter, one in about Mercury's position, and one at an Asteroid Belt-like position. A planet was predicted in between these two at Earth-like distances and later found, the first vindicated prediction since Neptune. This supports the "Packed Planetary Systems" theory. Some have suggested that it's one Earth year orbit period may mean its detection is due to Earth based observation errors.

HD 74156 System Web Pages

HD 74156 System Artwork

HD 74156 System In the News

Sample Category (Year Range)

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Terrestrial Planet Not Likely Between Giant Planets (2006)

http://www.newswise.com/articles/view/522167/
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Planet d Discovered Near 1AU (2007)

Planet d May be Due to Earth-based Observation Error (2007)

http://arxiv.org/abs/0712.3862

Planet d Supports Packed Planet Theory (2008)

http://news.bbc.co.uk/2/hi/science/nature/7183563.stm http://uanews.org/node/17491

HD 74156 System Fun Links

System Factoids

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HD 74156 Star Factoids

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Planet b Factoids

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Map of HD 74156 System

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