Neptune is the fourth largest planet in our solar system.

You would need a telescope to see Neptune.

You would need a telescope to see Neptune.

Astronomers were searching for this planet a long time before they discovered it.

Neptune has a wobbly orbit.

Neptune has 6 rings that we know about.

Proteus, one of Neptune’s moons, is the only known moon to orbit in a direction opposite of the direction that its planet rotates.

Uranus and Neptune both have helium and hydrogen in their atmospheres like Saturn and Jupiter, but Neptune has more methane than Uranus, giving it a deeper blue appearance.

Neptune’s rings are filled with dust, rocks, and also shepherd moons which help hold the rings together.

The earliest discovery of Neptune was by Galileo, but he mistook it for a star.

Mixing water with other substances can lower the freezing point of water.

Neptune has extremely strong winds, even stronger than Saturn’s winds.

Astronomers noticed that Uranus moved as if it was being pulled by another planet, and that is the reason why they searched for and discovered Neptune.

What causes Neptune to have a wobbly orbit?

Neptune has 13 known moons, the three largest of which are:

Neptune’s Great Dark Spot was caused by:

What unusual feature makes Neptune’s moon, Triton, so interesting?

Who discovered and named Neptune?

A ____ is a hole in the ground that spews out something from deep under the ground; on Earth, a geyser spews out hot water.

The coldest object that any spacecraft has visited is Neptune’s moon ___

Neptune has a ___ core, surrounded by _____, which is then surrounded by the gases which make up its atmosphere.

Each of Neptune’s orbits around the sun takes ____ Earth years, and one day on Neptune takes just over 16 hours.

The photos of Neptune’s moons were taken by the spacecraft ______