How did the Butterfly Nebula get its wings? It s complicated washington.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from washington.edu Daily Mail and Mail on Sunday newspapers.
Planetary nebulae form when red giant stars expel their outermost layers as they run out of helium fuel, becoming hot, dense white dwarf stars that are roughly the size of Earth. The material that was shed, enriched in carbon, forms dazzling patterns as it is blown gently into the interstellar medium.
Mystery of Butterfly Nebula s Wings Unveiled miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.