Sentences with phrase «while bright nebulae»

Not exact matches

While the bright part of the nebula is of about 65 arc seconds in diameter (more accurately, the «cork» is about 42x87», the «wings» 157x87»), this nebula is surrounded by a faint halo covering a region of 290 arc seconds in diameter (Millikan, 1974); this material was probably ejected in the form of stellar winds from the central star when it was still in the Red Giant phase of evolution.

Welcome to Gadget Dreams and Nightmares, the column that dares to search the final frontier for the brightest nebulas of new gadgets, while staying well away from the black holes of the more insipid.