Artist’s impression of the planet Beta Pictoris b
This artist’s view shows the planet orbiting the young star Beta Pictoris. This exoplanet is the first to have its rotation rate measured. Its eight-hour day corresponds to an equatorial rotation speed of 100 000 kilometres/hour — much faster than any planet in the Solar System.
More information: www.eso.org/public/images/eso1414a/
ESO L. Calçada/N. Risinger (skysurvey.org)