Herbig-Haro objects are glowing clouds of gas and dust shaped by newborn stars or protostars. They form when jets of charged particles, ejected from young stars at immense speeds, slam into ...

Observations and theory of star and planet formation. Jets, outflows, and Herbig-Haro objects. Protoplanetarydisks. The origin, evolution, and destruction of molecular clouds.The formation of massive ...