A pair of jets of very hot gas protrude outwards in perfect symmetry in this striking image of the Herbig-Haro (HH) object HH 24, taken by the NASA/ESA Hubble Space Telescope. The two streams crossing the image are jets of hot gas, ejected from the poles of a protostar. If the jets collide with the surrounding gas and dust they can clear vast spaces, and create curved shock waves, seen as knotted clumps called Herbig-Haro objects. Image credit: NASA...
