Dusty Spiral Around a Dying Red Giant

Astronomers using the Atacama Large Millim...  ...er Chile spied something strange around the dying red giant star R Sculptoris : a spiral structure thought to be made of gases b...  ...By studying the corkscrewed expulsion from R Sculptoris , the astronomers...

http://www.neatorama.com/2012/10/11/Dusty-Spiral-Around-a-Dying-Red-Giant/