After a couple billion years , most stars with a mass standardized to our Sun eventually die , shedding knocked out layer and creating beautiful planetary nebulas . On the out layers of this nebula , Abell 78 , a die star had a second shot at life .
A worldwide nebula is a cloud of ejected material from a star , interacting with gas and detritus to produce sensational rings of color . In Abell 78 , something else befall as well :
Although nuclear combustion of atomic number 1 and helium had ceased in the core of the fail mavin , causing it to collapse under its own free weight and its envelope to expand into a house of cards , some of the star ’s outer layers became so dense that fusion of He resumed there .
The renewed nuclear body process spark another , much firm farting , blow more material off . The interplay between old and raw outflows has shaped the swarm ’s complex structure , let in the radial filament that can be get a line streaming from the cave in star at the centre .
Scientists pick up on the ten - rays pass off by the superheated gas in this planetary nebula , using the ESA ’s XMM - Newton space lookout station . By combining that data with optical observations of Abell 78 , they were able to create the above image .
[ ESA ]
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