Neptune - NASA Science
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, Neptune is not visible to the naked eye. Neptune was the first planet located using math. Get the Facts
Neptune Facts - Science@NASA
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.
Neptune-Gallery - Science@NASA
This photograph of Neptune southern hemisphere was taken by the narrow-angle camera on NASA Voyager 2 when the spacecraft was... These three images of Neptune were acquired 90 minutes apart by NASA Voyager 2 spacecraft on April 3, 1989, from...
Neptune 3D Model - NASA Science
Apr 22, 2019 · A 3D model of Neptune, an ice giant planet. National Aeronautics and Space Administration. NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.
Neptune - NASA Science
This photograph of Neptune was reconstructed from two images taken by NASA Voyager 2. At the north top is the... These thermal images show a hot south pole on the planet Neptune.
Voyager at Neptune - NASA Science
Voyager at Neptune. In the summer of 1989, NASA's Voyager 2 became the first spacecraft to observe the planet Neptune up close, its final planetary target.
What Are Neptunian Planets? - NASA Science
Neptunian exoplanets are similar in size to Neptune or Uranus in our solar system. (Neptune is about four times the size, or radius, of Earth and almost 17 times its mass, or weight.) Neptunian exoplanets may have a mixture of interiors though all would be rocky with heavier metals at …
Kuiper Belt: Facts - NASA Science
As Uranus and Neptune drifted farther outward, they passed through the dense disk of small, icy bodies left over after the giant planets formed. Neptune's orbit was the farthest out, and its gravity bent the paths of countless icy bodies inward toward the other giants.
Why Uranus and Neptune Are Different Colors - NASA Science
May 31, 2022 · Neptune and Uranus have much in common yet their appearances are notably different. Astronomers now have an explanation for why the two planets are different colors.
Neptune Full Disk View - NASA Science
Oct 30, 1998 · This picture of Neptune was produced from the last whole planet images taken through the green and orange filters on the Voyager 2 narrow angle camera. The images were taken at a range of 4.4 million miles from the planet, 4 …