What astronomical objects spread their tail as they approach the sun?



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What astronomical objects spread their tail as they approach the sun? and got a better answer

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Response from 0[+++]
Go to Science and Technology. They know exactly there.

Response from 0[+++++]
Cosmic dust, debris, stuff like that!

Response from 0[+++++]
Well, if a tail, then a comet.

Response from 0[+]
COMETS

 

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