Scientists chart Mach 7 winds on a Jupiter-sized exoplanet
 

When scientists discovered a Jupiter-sized exoplanet in the Vulpecula constellation, they knew the weather there wasn't great. That's because HD 189733b orbits its star every 2.2 days at a speed of 341,000 mph and has an average surface temperature...

http://www.engadget.com/2015/11/17/s...zed-exoplanet/