Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Ba da daɗewa ba bayan buga ka'idar dangi ta musamman a 1905, Einstein ya fara tunanin yadda za a haɗa nauyi a cikin sabon tsarin dangi. A shekara ta 1907, ya soma bincike mai sauƙi da ya shafi wani mai kallo da ke faɗuwa da kansa, kuma ya yi shekara takwas yana neman ka'idar nauyi. Bayan hanyoyi da yawa da farawar kuskure, aikinsa ya ƙare a cikin gabatarwar zuwa Kwalejin Kimiyya ta Prussian a watan Nuwamba na 1915 na abin da yanzu aka sani da lissafin filin Einstein. Waɗannan daidaitattun suna ƙayyade yadda yanayin sararin samaniya da lokaci ke shafar duk abin da kwayoyin halitta da radiation ke ciki, kuma su ne ainihin ainihin ka'idar Einstein ta gaba ɗaya. Daidaitawar filin Einstein ba su da layi kuma suna da wuyar warwarewa. Einstein yayi amfani da hanyoyin kusancin wajen yin hasashen farko na ka'idar. Amma a farkon 1916, masanin kimiyyar taurari Karl Schwarzschild ya sami ainihin bayani na farko wanda ba shi da mahimmanci ga lissafin filin Einstein, ma'aunin Schwarzschild. Wannan bayani ya kafa tushe don bayanin matakai na ƙarshe na rushewar nauyi, da abubuwan da aka sani a yau a matsayin ramuka baki. A cikin wannan shekarar, an ɗauki matakai na farko don daidaitawa da maganin Schwarzschild ga abubuwan da aka caje da wutar lantarki, wanda a ƙarshe ya haifar da maganin Reissner <unk> Nordström, yanzu yana da alaƙa da ramuka baƙar fata masu cajin lantarki. A shekara ta 1917, Einstein ya yi amfani da ka'idarsa ga dukan sararin samaniya, ya kafa fannin ilimin sararin samaniya. A cikin layi tare da tunanin zamani, ya ɗauka sararin samaniya mai ɗorewa, yana ƙara sabon sigogi zuwa daidaitattun filin sa na asali - dindindin na sararin samaniya - don daidaita wannan zato na lura. Amma a shekara ta 1929, aikin da Hubble da wasu suka yi ya nuna cewa sararin samaniya yana faɗaɗawa. Wannan an bayyana shi da sauƙi ta hanyar fadada maganganun cosmological da Friedmann ya samo a 1922, wanda ba ya buƙatar ci gaba na cosmological. Lemaître ya yi amfani da wadannan mafita don tsara tsarin farko na Big Bang model, wanda mu...  Tambaya: A wace shekara ce Eddington ya ja-goranci tafiyar?
Shekara ta 1919