About 550 light-years from Earth, Chi Cygni, a star like our Sun, is writhing in its death throes. It is now so large that it would swallow every planet out to Mars. (Artist rendering, credit: ESO/L. Calçada)I love it.
NGC 6888 - Crescent Nebula, is a cosmic bubble about 25 ly across, blown by winds from its central, bright, massive star. NGC central star is classified as a Wolf-Rayet star (WR NGC 6888 is about 5000 light years away in the constellation Cygnus.