47. Q. How many moons has Saturn? A. Eight.
48. Q. By what is Saturn surrounded? A. By three rings.
49. Q. What has been proved in reference to the state of Saturn’s rings? A. That they are in a state of fluidity and contraction.
50. Q. What is the mean distance of Uranus from the sun? A. 1,771,000,000 miles.
51. Q. What is the mean diameter of Uranus? A. Thirty-one thousand seven hundred miles.
52. Q. What is the length of the year on Uranus? A. Eighty-four of our years.
53. Q. How many moons has Uranus? A. Four.
54. Q. When and by whom was Uranus discovered? A. By Sir William Herschel in 1781.
55. Q. What is the distance of Neptune from the sun? A. 2,775,000,000 miles.
56. Q. What is the diameter of Neptune? A. Thirty-four thousand five hundred miles.