出典:Wikipedia
出典:『Wikipedia』 (2011/05/22 17:45 UTC 版)
WASP-17 is an F-type main sequence star approximately 1,000 light-years away in the constellation Scorpius. As of 2009, an extrasolar planet has been confirmed to orbit the star. The planet is thought to orbit in a retrograde orbit (in the opposite direction to the star's rotation).