No... radiation is the movement of waves and particles, and influence of movement upon all other matter around it or in it's path... What happens though, is that it causes (excellerates) the atoms in...
Radiation is particles of energy. The reason you get hot while standing in the Sun is because the particles energize your cells and other materials which causes vibrations, leads to friction, and...
In this context, radiation refers to thermal radiation. Nearly everything in the universe radiates thermally in the form of infrared "light". When something is hotter, it radiates more. All of this...