In 1609, Galileo made a telescope to study Earth's moon.
(Galileo; made; a telescope to study Earth's moon; T:In 1609) Context(Galileo made,List([9, 21))):(Galileo; made to study; Earth's moon)
Galileo made,List([9, 21))
Galileo Galileo
made made to study
a telescope to study Earth's moon T:In 1609
Earth's moon