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Solar System Home. Neptune is the eighth, and most distant planet from the Sun. It’s the fourth-largest, and the first planet discovered with math. All About Neptune. See All. Big Blue. Neptune is about four times wider than Earth. Number Eight. Neptune is 30 AU from the Sun. Earth = 1 AU. A Neptunian Year.
Because of Neptune's far distance from the Sun, it gets very little heat. The average surface temperature on Neptune is about −201°C(−331 °F; 72 K).[45] Therefore, at its surface Neptune is the coldest planet in the Solar System. But in the depths of the planet, the temperature rises.
Introduction. 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.
Neptune took shape when the rest of the solar system formed about 4.5 billion years ago when gravity pulled swirling gas and dust in to become this ice giant. Like its neighbor Uranus, Neptune likely formed closer to the Sun and moved to the outer solar system about 4 billion years ago.
26 Jun 2024 · 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 ♆.
Facts about Neptune. Neptune is the most distant planet from the Sun. Neptune is the smallest gas giant. A year on Neptune lasts 165 Earth years. Neptune is named after the Roman god of the sea. Neptune has 6 faint rings. Neptune was not known to the ancients.
28 Mac 2019 · March 28, 2019. • 6 min read. Neptune may seem like a serene sapphire world at first glance. But don't let its quiet azure hues fool you: The eighth planet from the sun is a wild child. Neptune...
9 Jul 2024 · Neptune is dark, cold, and very windy. It's the last of the planets in our solar system. It's more than 30 times as far from the sun as Earth is. Neptune is very similar to Uranus. It's made of a thick fog of water, ammonia, and methane over an Earth-sized solid center.
Neptune is our outermost planet. Neptune has been visited by only one spacecraft: Voyager 2. The majority of worlds we’ve found around other stars are Neptune-sized. By studying Neptune we learn about other solar systems and whether or not ours is unique. Why we study Neptune.
17 Apr 2023 · Neptune is the eighth and farthest planet from the sun but it is not the coldest. Our solar system 's blue gas giant is far larger than Earth, at more than 17 times Earth's mass and nearly 58...
