Neptune

Neptune has white clouds made of methane ice crystals that float high in its atmosphere.

Scientists use special infrared cameras to see through Neptune’s upper atmosphere.

Neptune’s storms can be as big as Earth.

Neptune and Uranus are called “ice giant” twins because they’re so similar in size and composition.

Neptune is the only planet in our solar system that can’t be seen from Earth without a telescope.

Neptune has more moons than Earth, Mars, Venus, and Mercury combined.

Neptune’s rings are much thinner and darker than Saturn’s famous rings.

Neptune’s year is the longest of all the planets in our solar system.

Triton, Neptune’s largest moon, has a thin atmosphere of its own.

It would take a modern spacecraft about 8–11 years to reach Neptune.

The Voyager 2 spacecraft that visited Neptune is now in interstellar space.

Neptune was discovered because Uranus wasn’t moving exactly as expected.