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'''LL Pegasi''' ('''AFGL 3068''') is a [[Mira variable]] star surrounded by a pinwheel-shaped nebula, '''IRAS 23166+1655''', thought to be a [[Protoplanetary nebu ...Pinwheel Outflow from the Extreme Carbon Star, AFGL 3068|journal=Planetary Nebulae in Our Galaxy and Beyond|volume=234|pages=469|last1=Morris|first1=Mark|last ...

...//web.archive.org/web/20180403160554/http://www.physics.usyd.edu.au/~gekko/pinwheel/tech_faq.html |archive-date=3 April 2018 |access-date=20 December 2015}}</r <ref name="nebula">{{Cite web |last=Balick |first=Bruce |title=Planetary Nebulae and the Future of the Solar System |url=http://www.astro.washington.edu/bal ...