Neptune

Table of Contents

References & Edit History Related Topics

Images, Videos & Interactives

clouds in Neptune's atmosphere

Witness the arrival of Voyager 2 at Neptune after a 12-year journey, August 25, 1989

Neptune's Great Dark Spot

Neptune: Great Dark Spot

clouds on Neptune

moons of Neptune: Triton

Neptune's ring system

For Students

Neptune summary

Read Next

Solar system illustration. (Sun; planets)

A Model of the Cosmos

Remarkable new details of Pluto's largest moon Charon are revealed in this image from New Horizons' Long Range Reconnaissance Imager (LORRI), taken late on July 13, 2015 from a distance of 289,000 miles

Why Is Pluto No Longer a Planet?

solar eclipse, sun, moon, astronomy, space

How Do You Tell the Difference Between Total, Annular, Solar, and Lunar Eclipses?

Solar system illustration. (planets; sun)

Why Are Planets Round?

This close-up image of a dust storm on Mars was acquired by the Mars Color Imager instrument on NASA Mars Reconnaissance Orbiter on Nov. 7, 2007. This image is centered on Utopia Planitia

Do Hurricanes Happen on Other Planets?

Discover

Chapter 4 pg 42 - Chapter header of The Adventures of Tom Sawyer by Mark Twain. Published in 1884 by The American Publishing Company

Periods of American Literature

pg 229Nazi parade features a banner proclaiming, "Death to Marxism."The possibility of a peaceful Germany after World War I was precluded entirely by the terms of the Versailles Treaty and theintransigent hostility of France and England. Stripped of indu

Were the Nazis Socialists?

Binary Computer Code, Binary Code, Internet, Technology, Password, Data

How Does Wi-Fi Work?

Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society

The 10 Greatest Basketball Players of All Time

Sailboat against a beautiful landscape

Which Waters Do You Pass Through When You “Sail the Seven Seas”?

Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)

6 Important Mughal Emperors

bird. mourning dove. pigeon and dove. Mourning Dove (Zenaida macroura) family Columbidae.

Nikola Tesla's Weird Obsession with Pigeons

Neptune: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

On Today's Date: 'Planet X' Discovered • Feb. 17, 2025, 10:23 PM ET (The Weather Channel)

bmobile, Neptune partner to deliver satellite broadband solutions • Feb. 15, 2025, 9:04 PM ET (Trinidad Guardian)

Several planets are currently visible to the naked eye in a 'Planetary Parade' • Feb. 8, 2025, 3:55 AM ET (CBC)

January 2025 Planetary Alignment Visible Now • Jan. 25, 2025, 1:50 AM ET (The Weather Channel)

Can wind exceed sound? Scientists observe 33,000 km/h winds on a planet • Jan. 23, 2025, 8:45 AM ET (Jerusalem Post)

Photos and Videos

clouds in Neptune's atmosphere

Neptune's Great Dark Spot

Neptune: Great Dark Spot

clouds on Neptune

moons of Neptune: Triton

Neptune's ring system

moons of Uranus: Ariel

Neptune: atmospheric changes

Witness the arrival of Voyager 2 at Neptune after a 12-year journey, August 25, 1989

See All Videos, Images and Interactives →

Topics

Earth Mars Venus Jupiter Mercury Saturn Uranus

Quiz

View of the Andromeda Galaxy (Messier 31, M31).

Astronomy and Space Quiz

Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.

All About Astronomy

M101 (NGC 5457, The Pinwheel Galaxy). Hubble Space Telescope image of face-on spiral galaxy Messier 101 (M101). Largest most detailed photo of a spiral galaxy that has ever been released from Hubble. Created from 1994-2003

Everything in Space in a 25-Minute Quiz

Buzz Aldrin. Apollo 11. Apollo 11 astronaut Edwin Aldrin, photographed July 20, 1969, during the first manned mission to the Moon's surface. Reflected in Aldrin's faceplate is the Lunar Module and astronaut Neil Armstrong, who took the picture.

Can You Match The Moon To Its Planet? Quiz

1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.

Brightest Star in the Solar System

Saturn. Saturn and its rings. Second largest planet of the solar system. Space Art

Planets and the Earth’s Moon

The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet

Space Odyssey

This artist's concept illustrates Kepler-16b, the first planet known to definitively orbit two stars -- what's called a circumbinary planet. The planet, which can be seen in the foreground, was discovered by NASA's Kepler mission. The two orbiting stars r

Extrasolar Planets

Demystified

Remarkable new details of Pluto's largest moon Charon are revealed in this image from New Horizons' Long Range Reconnaissance Imager (LORRI), taken late on July 13, 2015 from a distance of 289,000 miles

Why Is Pluto No Longer a Planet?