Crossword Genius

Danger: it's unstable star! (3,5)

Ross

I believe the answer is:

red giant

'star' is the definition.
(I've seen this before)

'danger it's unstable' is the wordplay.
'unstable' indicates an anagram.
'danger'+'it'='dangerit'
'dangerit' with letters rearranged gives 'RED GIANT'.

(Other definitions for red giant that I've seen before include "Huge Communist" , "big star" , "Large low-temperature star" , "Type of star" , "Cool, immense star of high luminosity" .)

I've seen this clue in The Sun.
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