Crossword Genius

Star making record on champagne (9)

Ross

I believe the answer is:

supernova

I'm a little stuck... Click here to teach me more about this clue!

This might be a double definition.

'star' is the first definition.
(I know that supernova is a type of star)

'record on champagne' is the second definition.
Although both the answer and definition are singular nouns, I cannot understand how one could define the other.

'making' acts as a link.

Can you help me to learn more?

(Other definitions for supernova that I've seen before include "The sort of star" , "Star made brilliant by stellar explosion" , "Star that explodes and becomes extremely luminous" , "Star in decline" , "it puts an end to a starry career" .)

I've seen this clue in The Independent.
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