A fresh analysis of a decade's worth of Hubble Space Telescope observations shows Uranus takes 17 hours, 14 minutes and 52 seconds to complete a full rotation — 28 seconds longer than the estimate provided by NASA's Voyager 2 spacecraft nearly 40 years ago.

A day on Uranus is actually longer than we thought, Hubble Telescope reveals

Source: space
Source Link: https://www.space.com/the-universe/uranus/a-day-on-uranus-is-actually-longer-than-we-thought-hubble-telescope-reveals