NeptuneNeptune Has the Fastest Winds in the Solar System J'aime PartagerWinds on the ice giant reach roughly 2,000 kilometers per hour.DétailsPublié leSeptember 30, 2026vues40Neptune
Neptune57 vuesVoyager 2 Is the Only Spacecraft to Visit NeptuneIt flew past the planet in August 1989.
Neptune37 vuesTriton, Neptune's Largest Moon, Orbits BackwardIts retrograde orbit suggests it is a captured Kuiper Belt object, and it has geysers that spray nitrogen.
Neptune56 vuesA Year on Neptune Lasts About 165 Earth YearsIt completed its first full orbit since discovery in 2011.
Neptune35 vuesNeptune Was Predicted by Mathematics Before It Was SeenUrbain Le Verrier and John Couch Adams calculated its position from irregularities in Uranus's orbit, and Johann Galle found it in Berlin in September 1846.