The “Black Widow” pulsar moves at a speed of KM/hr. A bow shock wave is the greenish crescent shape. The pressure behind the bow shock creates a second shock wave that sweeps the cloud of high-energy particles back from the pulsar to form the cocoon.
thedemon-hauntedworld: “ Orion Nebula in Oxygen, Hydrogen, and Sulfur Image Credit & Copyright: César Blanco González The Orion Nebula spans about 40 light years and is located about 1500 light years away in the same spiral arm of our Galaxy as the.
And an angel from God appeared and said, "Fear not, for I bring you glad tidings of great joy!" #angels