Burning sphere, all fibre, exploded (8)

I believe the answer is:

fireball

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'burning sphere' is the definition.
'fireball' can be an answer for 'sphere' (fireball is a kind of sphere). I am not sure about the 'burning' bit.

'all fibre exploded' is the wordplay.
'exploded' indicates an anagram.
'all'+'fibre'='allfibre'
'allfibre' anagrammed gives 'FIREBALL'.

Can you help me to learn more?

(Other definitions for fireball that I've seen before include "Sphere of flame" , "Energetic type" , "Incendiary projectile" , "Spherical incendiary" , "Bolide is its name in astronomy" .)

I've seen this clue in The Sun.

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