Tags: Star.
A colliding-wind binary is a binary star system in which the two members are massive stars that emit powerful radiatively-driven stellar winds. The location where these two winds collide produces a strong shock front that can cause radio X-ray and possibly synchrotron radiation emission. Wind compression in the bow shock region between the two stellar winds allows dust formation. When this dust streams away from the orbiting pair it can form a pinwheel nebula of spiraling dust.
