Galileo used a telescope to observe the phases of Jupiter.
(Galileo; used; a telescope; to observe the phases of Jupiter) Context(Galileo used,List([0, 12))):(Galileo; used a telescope to observe; the phases of Jupiter)
Galileo used,List([0, 12))
Galileo Galileo
used used a telescope to observe
a telescope to observe the phases of Jupiter
the phases of Jupiter