To help compare sizes of different surface areas, here is a list of areas of the order of 1017 square metres, i.e. between 100 billion km2 and 1 trillion km2. See alsoareas of other orders of magnitude.
... the son of a farmer. He entered the novitiate of the Fathers of the Sacred Heart of Jesus and Mary[?] at Louvain, and was admitted to the religious profession on October ...