The Moons of Jupiter Galileo observed 4 points of light that changed their positions with time around the planet Jupiter .
(The Moons of Jupiter Galileo; observed; 4 points of light that changed their positions with time around the planet Jupiter) (4 points of light; changed; their positions; T:with time around the planet Jupiter)
The Moons of Jupiter Galileo 4 points of light
observed changed
4 points of light that changed their positions with time around the planet Jupiter
their positions T:with time around the planet Jupiter