Neptune

If counted from the sun, what is the place of Neptune in the planetary system.

• 5th

• 7th

• 8th

• 9th

True or false: Neptune is the densest planet

• True

• False

Answer explanation

Neptune is the densest giant planet, but not the densest planet.

Which of these is the symbol for Neptune?

• ♆

• ♂

• ⛢

• ♃

Which of these astronomers is NOT credited with the discovery of Neptune?

• Johann Galle

• Urbain Le Verrier

• Galileo Galilei

• John Couch Adams

What is the most common gas by volume in Neptune’s atmosphere?

• Hydrogen

• Helium

• Methane

• Hydrogen deuteride

In which year was Neptune discovered?

• 1796

• 1846

• 1934

• 2002

How many moons does Neptune have?

• 4

• 0

• 8

• 14

What is the largest neptunian moon?

• Triton

• Nereid

• Proteus

• Thalassa

How many main rings does Neptune have?

• 0

• 1

• 3

• 5

How many probes have been near Neptune?

• 0

• 1

• 2

• 3