The Astronomer Galileo discovered the four brightest moons of Jupiter, including these two, when he first looked through the telescope in the 16th century.
(The Astronomer Galileo; discovered; the four brightest moons of Jupiter, including these two) (he; looked; through the telescope in the 16th century; T:these two; T:first)
The Astronomer Galileo he
discovered looked
the four brightest moons of Jupiter, including these two
through the telescope in the 16th century T:these two T:first