Length of Alien Planet's 'Day' Clocked for 1st Time, an 8-Hour World
Friday, May 2, 2014 - 15:30
in Astronomy & Space
The equator of Beta Pictoris b, a gas giant about 10 times more massive than Jupiter, is moving at about 62,000 mph (100,000 km/h), researchers said — far faster than any planet in our solar system.