Thanks guys. Yes, its a very violent, the center stars temp is 400,000 deg F making it the hottest known star in our galaxy, and particles are being ejected at 2 million miles an hr, which is colliding with earlier slower moving ejected gas heating the gas to 36,000, unusually hot for a planetary neb.
The "butterfly" stretches for more than two light-years, which is about half the distance from the Sun to the nearest star, Alpha Centauri .
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