Neptune is the eighth and farthest known planet from the Sun.It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet.It is 17 times the mass of Earth.Compared to its fellow ice giant Uranus, Neptune is slightly more massive, but denser and smaller.Being composed primarily of gases and liquids, [21] it …

4 days ago · 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 …

Jan 22, 2025 · 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 is Earth, Neptune is not visible to the naked eye. Neptune was the first planet located using math.

Neptune, along with its cousin Uranus, is the least-explored planet in our solar system, having been visited by a spacecraft only once. Yet we’ve found more Neptune-sized worlds orbiting other stars than any other type of planet.

Nov 6, 2024 · 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.

Mar 28, 2019 · Neptune is the windiest planet in our solar system, whipping up momentous gusts that can reach more than 1,200 miles an hour. That soothing sapphire expanse does reveal some of the...

Jan 14, 2025 · Neptune is the eighth and most distant planet from the Sun. That means Uranus is Neptune’s only neighboring planet. Neptune was discovered in 1846 by Urbain Le Verrier, John Couch Adams, and Johann Galle. Only Voyager 2 has visited Neptune. What does Neptune look like? Voyager 2 took this picture of Neptune in 1989. Clouds streak across Neptune.

Dec 31, 2024 · More than 200 years later, the ice giant Neptune became the first planet located through mathematical predictions rather than through regular observations of the sky.

Neptune orbits our Sun, a star, and is the eighth planet from the Sun at a distance of about 2.8 billion miles (4.5 billion kilometers). Neptune takes about 16 hours to rotate once (a Neptunian …

Oct 3, 2024 · Neptune Observational Parameters Discoverer: Johann Gottfried Galle (based on predictions by John Couch Adams and Urbain Leverrier) Discovery Date: 23 September 1846 Distance from Earth Minimum (10 6 km) 4319.0 Maximum (10 6 km) 4711.0 Apparent diameter from Earth Maximum (seconds of arc) 2.4 Minimum (seconds of arc) 2.2 Mean values at opposition from Earth Distance from Earth (10 6 km) 4348. ...