Signs of powerful changing winds have been detected on an extrasolar gaseous planet called HAT-P-7b, which is 40% larger than Jupiter and orbits a star twice as large as the Sun, says a research team led by University of Warwick astronomer Dr. David Armstrong. In this artist’s illustration, HAT-P-7b closely orbits a star that’s 1,044 light-years from Earth. A companion star (top right) and a candidate planet (foreground) lie in the distance. Image...
