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

comet 103pHartley2

combined over 30 one minute images which were used to make the video.  some images removed when the comet approach a bright star.  false color added.

comet 103pHartley2