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

bubble nebula

By marzulloj at Mon, 11/02/2009 - 12:48am
bubble nebula

The bubble nebula in Cepheus from tonight clear sky and last sunday. Three hours through H-alpha.