Neptune

Introduction to Neptune

Neptune is the eighth and farthest known planet from the Sun in the Solar System. It is a gas giant, similar to Uranus, and is often referred to as an "ice giant" due to its composition of water, ammonia, and methane ices.

Physical Characteristics

Neptune has a bluish tint due to the presence of methane in its atmosphere. It has an average radius of about 24,622 kilometers, making it the fourth-largest planet by diameter. The planet has a complex ring system and 14 known moons, the largest of which is Triton.

Chemical Composition

The atmosphere of Neptune is primarily composed of hydrogen and helium, with a small amount of methane. The methane in the atmosphere absorbs red light, giving the planet its blue color.

Study Guide for Neptune

Key Facts

• Neptune is the eighth planet from the Sun.
• It is a gas giant with a bluish tint.
• Neptune has a complex ring system and 14 known moons.

Chemical Composition

Neptune's atmosphere is primarily composed of:

• Hydrogen
• Helium
• Methane

Fun Fact

Neptune's largest moon, Triton, is unique as it orbits the planet in a retrograde direction, opposite to the planet's rotation.

Further Study

For more in-depth study, explore the magnetic field of Neptune and its impact on the planet's atmosphere and moons.

[Neptune] Related Worksheets and Study Guides:

• Our Solar system and beyondScience • Fourth Grade