Top 10 alien worlds similar to earth

By Xu Lin
0 Comment(s)Print E-mail China.org.cn, November 25, 2011
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HD 69830 d （系外行星HD 69830 d） ESI: 0.60




HD 69830 d is an extrasolar planet orbiting the orange dwarf star HD 69830 every 197 days. It is the outermost known planet in its planetary system and possibly lies within its habitable zone. (From Wikipedia)

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