Aurora
Tuning into the cosmos…
LoadingAurora
Tuning into the cosmos…
LoadingIce giant
The most distant major planet, Neptune is a deep-blue ice giant with the fastest winds in the solar system — over 2,000 km/h. It was the first planet found by mathematical prediction rather than observation.
At a glance
Why it's fascinating
Its largest moon orbits retrograde, suggesting it's a captured Kuiper Belt object — and it has nitrogen geysers.
The James Webb Space Telescope captured Neptune's faint rings in stunning clarity for the first time in decades.
Neptune's position was calculated from Uranus's orbital wobble before anyone saw it through a telescope in 1846.
Moons
Neptune has 16 known moons; Triton, geologically active and orbiting backwards, is by far the largest.
All named moons · 14 listed
Photos
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