http://tinyurl.com/oubbhg3
June 27, 2013 - UPI.com
U.S. astronomers say they've found
distant gas-giant planets are rare around many types of stars and prefer
to cling close to their parent stars.
Astronomers at the Gemini Observatory and the University of Hawaii's
Institute of Astronomy say the finding could have a significant impact
on theories of planetary formation.
...