The shocks consist of compressed material in front of the jets . The Herbig-Haro 34 jets are located at approximately 1,400 light-years away in the Orion constellation . Photo credit: NASA/JPL-Caltech Share | Posted by JDsg at 3/05/2012 12:00:00 AM Labels: Bipolar Jets , Bow Shocks , Herbig-Haro Objects , HH