Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: Kamar yadda yake tare da yawancin abubuwan da aka gano na duniyar extrasolar har yanzu, an samo shi ta hanyar gano ƙananan bambance-bambance a cikin saurin radial na tauraron da yake kewaye da shi, wanda ya haifar da jan hankali na nauyi. Nazarin saurin radial na HD 217107 da aka yi a shekara ta 1998 ya nuna cewa motsinsa tare da layin gani ya bambanta a cikin sake zagayowar kwanaki 7.1. Lokaci da faɗin wannan bambancin sun nuna cewa wani abokin duniyar da ke kewaye da tauraron ne ya haifar da shi, tare da mafi ƙarancin taro fiye da na Jupiter. Matsakaicin nisan duniyar daga tauraron bai kai kashi ɗaya cikin biyar na nisan Mercury daga Rana ba.  Tambaya: Wace duniya ce mafi ƙarancin taro ya ɗan fi girma?
Jupiter