Hot Jupiters are close to their parent star - after all, that's why they're so hot. Their atmospheres are thought to be slowly blown away by the parent star, and they will eventually become chthonian ...
Is there a difference between solar wind and solar radiation or are they just different ways of describing the same thing?
What particularly causes the T Tauri star to eject the strong bipolar wind which clears the gases around the star?
This answer on Space Exploration to a question about Mars says that one reason Mars has such a thin atmosphere is because it lacks a magnetic field to protect it from the effect of double solar winds. ...