The forces of rotation caused red hot masses of stones to be torn away from the Earth and to be thrown into the ether, and this is the origin of the stars.

— Anaxagoras 428 BC

Emission Nebula IC1795

Emission Nebula IC1795

Emission Nebula IC1795 is only part of a much larger nebula, IC1805, aka the Heart Nebula, located 7500 ly away in Cassiopeia.