Uranus and Neptune Quiz

Who discovered Uranus in 1781?

• Urbain Le Verrier

• William Herschel

• John Couch Adams

• Johann Galle

What was the original name given to Uranus by William Herschel?

• Georgium Sidus

• Neptunium

• Uranium

• Plutonium

What is the composition of Uranus's mantle?

• Hydrogen and helium

• Carbon dioxide and nitrogen

• Iron and nickel

• Water, ammonia, and methane

What causes the distinct cyan or aquamarine color of Uranus?

• Hydrogen sulfide in its clouds

• Water in its core

• Ammonia in its mantle

• Methane in its atmosphere

What is the tilt angle of Uranus's axis?

• 23.5°

• 98°

• 45°

• 66.5°

What is the cause of Uranus's extreme seasons?

• Its tilted axis

• Its thick mantle

• Its magnetic field

• Its distance from the Sun

What is the most interesting feature of Uranus's moon Miranda?

• Cryovolcanoes

• Whipped clouds

• Tallest cliff in the solar system

• Active geysers

How many rings does Uranus have?

• 5

• 13

• 8

• 3

What is the color of Neptune when observed through a telescope?

• Teal

• Azure

• Greenish

• Cyan

What is the main component of Neptune's atmosphere?

• Water vapor

• Ammonia

• Methane

• Hydrogen sulfide