Galileo's discovery of the moons of Jupiter used no laboratory methods, but involved simple, direct eye observations through a primitive telescope.
(Galileo's discovery of the moons of Jupiter; used; no laboratory methods) (Galileo's discovery of the moons of Jupiter; involved; simple, direct eye observations)
Galileo's discovery of the moons of Jupiter Galileo's discovery of the moons of Jupiter
used involved
no laboratory methods
simple, direct eye observations