Quote:
Originally Posted by Frownland
Comets are made of dust, ice, gases, and rock. The tail is the ice of the comet melting off and sometimes includes the gas. Remember Comet ISON? That disintegrated because it lost too much of its ice that was keeping it together. Since the sun is largely hydrogen and has zero ice, there is nothing to melt and create a tail.
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i wouldn't go so far as to say there is nothing. we're regularly shown pictures of undulating plasma and fire spurting out from the center as though the thing were basically just sitting there.