... Survey Telescopes . ... Solar System . ... The existence of a Jupiter-mass planet in a Jupiter-like orbit around a Sun-like star opens the possibility that the system of planets around this star may be similar to our own Solar System. ... It would seem, therefore, that finding a Jupiter twin is an important milestone on the road to finding a planetary system that mirrors our own. ... A Jupiter twin around a solar twinБЂќ, by M. Bedell et al., to appear in the journal Astronomy and Astrophysics . ...