Assertion: supermassive quasar | /r/HasProperty | discovered to date
Facets:
Source sentences:
text: Use Quasar, Vue JS 2, Vuex & Firebase to build a Cross Platform, Single Codebase App for Web, iOS, Android, Mac, Windows HE0435-1223, located in the centre of this wide-field image, is among the five best lensed quasars discovered to date.