This animation illustrates solar wind charge exchange in action. An atom of interstellar helium (blue) collides with a solar wind ion (red), losing one of its electrons (yellow) to the other particle. As it settles into a lower-energy state, the electron emits a soft X-ray.
Diffuse X-ray Emission from the Local Galaxy (September 2014):
Emile Schyns from Photonis demonstrating the focusing properties of the micropore reflectors (8 November 2010).