Furious scorners shout stellar group can't be seen from here (8,5)

I believe the answer is:

southern cross

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'stellar group can't be seen from here' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.

'furious scorners shout' is the wordplay.
'furious' indicates an anagram (I've seen this in other clues).
'scorners'+'shout'='scornersshout'
'scornersshout' with letters rearranged gives 'SOUTHERN CROSS'.

Can you help me to learn more?

(Another definition for southern cross that I've seen is " Constellation invisible from Britain".)

I've seen this clue in The Irish Times.

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