I came here to work http://tube8.in.net/ tube 8 "Most gas giant exoplanets with orbital periods less than or equal to a few days are unstable," Carnegie Institute of Science officials said in a statement unveiling the discovery. "This is due to decay in their orbits caused by the effects of their star's proximity. For rocky or icy planets, this disruption could bring them close enough to the star that the force of their own gravity can no longer hold them together in the face of the star's gravity."