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

DOUBLE BUBBLE ?

BUBBLE NEBULA: Emission Nebula in Cassiopeia at 7800 ly distance. The bright star at 2 o'clock in the Bubble is an O-type star nearing subernova stage and is the source of the Bubbles shape. You may also note that there is another Bubble which is 2 1/2 times larger and dimmer which stretches downward to the bright star near and to the left of image center. Aquired thru an AstroTech111edt refractor @ f/7, Nautilus Motorized Filter Wheel, Ha filter and SXVR-H9 ccd from Whiting, NJ 10-20-12 15 x 10 min exposures combined in Maxim DL, false color added.

DOUBLE BUBBLE ?