Apr 29, 2025 · Dark, cold and whipped by supersonic winds, giant Neptune is the eighth and most distant major planet orbiting our Sun. More than 30 times as far from the Sun as is Earth, …

Apr 21, 2025 · Neptune is one of two ice giants in the outer solar system (the other is Uranus). Most (80% or more) of the planet's mass is made up of a hot dense fluid of "icy" materials – …

Apr 21, 2025 · Neptune: Exploration In 1989, NASA's Voyager 2 became the first-and only-spacecraft to study Neptune up close. Voyager returned a wealth of information about …

Sep 21, 2022 · This image of the Neptune system, captured by Webb’s Near-Infrared Camera (NIRCam), reveals stunning views of the planet’s rings, which have not been seen with this …

Jun 14, 2023 · This photograph of Neptune shows three of the features that NASA Voyager 2 has been photographing during recent weeks. At... The large, dark oval spot in Neptune …

Mar 12, 2025 · Neptune has 16 known moons. English merchant and astronomer William Lassell discovered the first and largest moon – Triton – on Oct. 10, 1846, just 17 days after a Berlin …

Dec 4, 2025 · The solar system has one star, eight planets, five dwarf planets, at least 290 moons, more than 1.3 million asteroids, and about 3,900 comets.

Apr 8, 2025 · In the summer of 1989, NASA's Voyager 2 became the first spacecraft to observe the planet Neptune up close, its final planetary target.

Jun 14, 1995 · These images represent the clearest views of Neptune since the Voyager 2 flyby in August 1989. The observations are providing a wealth of new information about the structure, …

May 28, 2025 · Our solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: …