Stars near the shoulder of the hunter formed about 12 million years ago, the stars that make up the belt are about 8 million years old, and there are stars in the Orion Nebula that are still ...
"Our sun encountered a region of higher gas density as it passed through the Radcliffe Wave in the Orion constellation." Using data from the European Space Agency's (ESA) Gaia mission and ...
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 ...