Neptune Overview Updated December 23, 2020


"The big blue planet"

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One 'Neptune' story

December 2020

Neptune, named after the Roman god of the sea, is the fifth-smallest planet in our solar system. Often referred to as “the big blue planet” due to its beautiful blue color caused by methane. Features of the planet include a “surface” composed of various gases which, deeper down, merges into water.

The planet has only been visited by one spacecraft, Voyager 2, back in 1989. It has not been visited since then.

Important Stats


Ring Composition

Neptune has around 10 rings in total that we currently know of. These rings contain clumps of dust called “arcs” that seem to defy the laws of motion by remaining close together. This is believed to be due to one of Neptune’s moons.

Surface Photos

‘Dark Spot Jr’ vortex on Neptune adds mystery to the planet’s under studied icy storms

Astronomers have observed a new dark spot on Neptune that’s affectionately being called Dark Spot Jr. While the Hubble Space Telescope-observed transient dark spot may be adorable from afar, The New York Times describes the treacherous nature of Neptune’s latest mini storm viewed from space.

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