The new images show the Horsehead Nebula as turbulent waves of gas rising from the western side of Orion B, a star-forming molecular cloud located 1,300 light-years from Earth in the constellation ...

This a planetary nebula, which is formed when a star like the Sun runs out of fuel, expands and its outer layers puff off, and then the core of the star shrinks. Orion Nebula: Believed to be the ...