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.

The Chautauquan, Vol. 03, March 1883 A Monthly Magazine Devoted to the Promotion of True Culture. Organ of the Chautauqua Literary and Scientific Circle. · 第 68 / 105 题