On January 7, 1610, Italian astronomer Galileo Galilei turned his newly developed telescope to Jupiter. He discovered four objects orbiting the giant planet. It

On January 7, 1610, Italian astronomer Galileo Galilei turned his newly developed telescope to Jupiter. He discovered four objects orbiting the giant planet. It

There are eight regular satellites in orbit around Jupiter. These are moons that formed within the gravity field of Jupiter. They were formed at the same time a

There are eight regular satellites in orbit around Jupiter. These are moons that formed within the gravity field of Jupiter. They were formed at the same time a

Mars has two of the oldest objects in the solar system orbiting it. These moons are small, dark and covered in craters. Phobos is the darkest moon in our solar