Hubble witnesses shock wave of colliding gases in Running Man Nebula

ScienceDaily
Nov 24, 2021, 3:38 pm426 pts
Mounded, luminous clouds of gas and dust glow in this Hubble image of a Herbig-Haro object known as HH 45. Herbig-Haro objects are a rarely seen type of nebula that occurs when hot gas ejected by a newborn star collides with the gas and dust around it at hundreds of miles per second, creating bright shock…

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