The Jupiter-size planet HD 189733b orbits its star 10 times closer than Mercury circles the sun. The planet's close proximity not only cooks it, but also puts it within range of violent solar flares ... more 
The Jupiter-size planet HD 189733b orbits its star 10 times closer than Mercury circles the sun. The planet's close proximity not only cooks it, but also puts it within range of violent solar flares that further heat its outer atmosphere. less 
1 / 26
SPACE.com | Photo By S. Redfield/T. Jones/McDonald Obs.
Mon, Jun 25, 2012 11:36 AM EDT