Prove a sun exploding could make this (9)

I believe the answer is:

supernova

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'make this' is the definition.
The definition suggests a singular noun which matches the answer.

'prove a sun exploding' is the wordplay.
'exploding' is an anagram indicator.
'prove'+'a'+'sun'='proveasun'
'proveasun' with letters rearranged gives 'SUPERNOVA'.

'could' is the link.

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(Other definitions for supernova that I've seen before include "Exploding star that becomes extremely luminous" , "The sort of star" , "Star in decline" , "Star that explodes and becomes extremely luminous" , "Star made brilliant by stellar explosion" .)

I've seen this clue in The Times.

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