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Distant sun has system of five planets

Wednesday, 7 November 2007 Cosmos Online Distant twin: This artist’s concept illustrates two planetary systems - 55 Cancri (top) and our own. Blue lines show the orbits of planets, including the dwarf planet Pluto in our Solar System, while the green line highlights the habitable zone. The 55 Cancri system is currently the closest known analogue to our Solar System, yet there are some fundamental differences. Image: NASA/JPL