Neptune is the eighth, and most distant planet from the Sun. It’s the fourth-largest, and the first planet discovered with math. More than 30 times as far from the Sun as Earth, Neptune is not visible to the naked eye.

Neptune, third most massive planet of the solar system and the eighth and outermost planet from the Sun. Because of its great distance from Earth, it cannot be seen with the unaided eye. With a small telescope, it appears as a tiny, faint blue-green disk. It is designated by the symbol ♆.

Neptune is the eighth and most distant planet in our solar system. Dark, cold, and whipped by supersonic winds, ice giant Neptune is more than 30 times as far from the Sun as Earth. Neptune is the only planet in our solar system not visible to the naked eye. In 2011 Neptune completed its first 165-year orbit since its discovery in 1846.

Learn about Neptune, the last and darkest planet in our solar system. Find out how it's similar to Uranus, how long it takes to orbit the sun, and what its rings and moons look like.

Dark, cold, and whipped by supersonic winds, ice giant Neptune is the eighth and most distant planet in our solar system. More than 30 times as far from the Sun as Earth, Neptune is the only planet in our solar system not visible to the naked eye.

Neptune is the fourth largest planet in the solar system, with a radius of 15,599.4 miles (24,622 kilometers) — the distance between its core and the surface. However, Neptune is a spheroid...

Learn about Neptune, the fourth largest and the farthest planet of the Solar System, with the most powerful wind speeds and the smallest ice giant. Find out how it was discovered by mathematical predictions, what it is made of, how many rings and moons it has, and more.

Neptune, our outermost planet, is a windy blue world with exotic ice, raging storms, rings, and a moon that could have a subsurface ocean.

Learn about the blue planet's orbit, weather, moons, rings, and history in this article. Find out how Neptune was discovered, what makes it so windy and cold, and why it's the only planet that can't be seen without a telescope.