Question: On what planet was a large rectangular outcrop that is composed mainly of sandstone first observed by an English astronomer born 1618?
Sentence (from "Jeremiah Horrocks"): He was the first person to demonstrate that the Moon moved around the Earth in an elliptical orbit; and he was the only person to predict the transit of Venus of 1639, an event which he and his friend William Crabtree were the only two people to observe and record.
Relevant evidence: No