'Its ring system is more than 170,000 miles in diameter, but only about a mile thick'
Saturn
THE PLANETS: Its ring system is more than 170,000 miles in diameter, but only about a mile thick
Its ring system is more than 170,000 miles in diameter, but only about a mile thick
Its ring system is more than 170,000 miles in diameter, but only about a mile thick
THE PLANETS
Saturn
THE PLANETS