Apparently I’m referring to the “cosmic cliffs”. What is all that stuff? Is it solid or gas? So many questions.
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So, before we get into what the “smoke” is made of, let’s chat for a second about how big this thing actually is. The tallest “cliff” spans a distance of 7.5 light years. I hope you can understand what a light year is for that to make any sense.
As for it’s composition, it’s both gas and solid. In both cases, it is super heated gas/dust being just F’d up by some super massive stars that are forming. It is being pushed outward via extreme radiation and solar winds.
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