Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: An gano Gliese 436 b a watan Agusta 2004 ta R. Paul Butler da Geoffrey Marcy na Cibiyar Carnegie ta Washington da Jami'ar California, Berkeley, bi da bi, ta amfani da hanyar saurin radial. Tare da 55 Cancri e, shi ne na farko na sabon nau'in taurari tare da mafi ƙarancin taro (M sini) mai kama da Neptune. An yi rikodin duniyar don wucewa ta tauraronta ta hanyar tsari na atomatik a NMSU a ranar 11 ga Janairu, 2005, amma ba a kula da wannan taron a lokacin ba. A shekara ta 2007, Gillon ya jagoranci tawagar da suka lura da wucewar, suna kiwo da faifan tauraron dangi dangane da Duniya. Binciken wucewa ya haifar da ƙayyade ainihin nauyinsa da radius, dukansu suna kama da na Neptune, suna yin Gliese 436 b a wannan lokacin mafi ƙanƙanta da aka sani na wucewa na duniya. Duniyar tana da kimanin kilomita dubu huɗu mafi girma a diamita fiye da Uranus da kilomita dubu biyar mafi girma fiye da Neptune kuma dan kadan ya fi girma. Gliese 436b yana kewaye da nisan kilomita miliyan huɗu ko kashi ɗaya cikin goma sha biyar na matsakaicin nisan Mercury daga Rana.  Tambaya: Yaushe aka gano Gilese 436 b?
Agusta shekara ta 2004