Whether a sixth is lurking around 55 Cancri a, only time (and Fourier) will tell.

围绕恒星“55 Cancri a”运行的是否还会有第六颗行星？只有时间(与傅立叶)可以告诉我们。

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Not only is HM Cancri the fastest binary star system every discovered, but it is almost the fastest binary star system possible.

双星HM Cancri不仅是已经发现的运行最快的双星系统；然而它们几乎又是太空中可能具有的运行最快的双星系统。

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His most recent discovery, announced last week, is a fifth planet orbiting a star called 55 Cancri, about 41 light-years from Earth.

上周他宣布了最新的发现，是围绕堪科瑞55号(55 Cancri)的第五个行星。堪科瑞55号是一颗距离地球41光年的恒星。

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Their results suggest 55 Cancri e is largely composed of carbon (in the form of graphite and diamond), iron, silicon carbide, and, potentially, silicates.

BBC: Oddballs: The strange worlds beyond our Solar System

This body, known as 55 Cancri e, "is likely covered in graphite and diamond rather than water and granite, " according to astronomer Nikku Madhusudhan from Yale University.

BBC: Oddballs: The strange worlds beyond our Solar System

Belonging to a class of worlds known as diamond planets, 55 Cancri e is thought to be rich in the element carbon, which can exist in a variety of structural forms such as graphite (the material used as pencil lead), graphene, or diamond.

BBC: Oddballs: The strange worlds beyond our Solar System