Neptune

The Basics

100

Question: What position from the Sun does Neptune hold, making it the most distant planet?

Answer: Eighth

200

Which Roman god of the sea is the planet named after?

Answer: Neptune

300

Question: What specific planet classification is given to Neptune due to its composition of water, ammonia, and methane?

Answer:Ice giant

400

Question: Which gas in Neptune's atmosphere absorbs red light to make the planet look blue?

Answer:Methane

500

Question: What scientific method was used to discover Neptune in 1846 before anyone actually saw it?

Answer: Mathematical prediction

Moon & Rings

100

Question: What is the name of Neptune's largest moon?

Answer:Triton

200

Question: How many confirmed moons orbit Neptune?

Answer:16

300

Question: What is the term for Triton's unique, backward-moving orbit?

Answer:Retrograde orbit

400

Question: What are the thick, clumped sections of Neptune's faint rings called?

Answer:Ring arcs

500

Question: From which icy outer region of the solar system did Neptune capture Triton?

Answer:The Kuiper Belt

Weather & Science

100

Question: Which spacecraft is the only human probe to ever fly past Neptune?

Answer:Voyager 2

200

Question: Neptune holds the solar system record for the fastest speeds of what weather phenomenon?

Answer:Winds

300

Question: What was the name of the massive, dark storm seen by Voyager 2 that later disappeared?

Answer:The Great Dark Spot

400

Question: High pressure in Neptune's atmosphere causes it to rain which gemstone?

Answer:Diamonds

500

Question: What hidden feature allows Neptune to radiate more energy than it receives from the Sun?

Answer:An internal heat source