An Exploding Star
This page is the CodyCross answer for the clue below from London, Group 482, Puzzle 1 (Double Decker Bus).
Question is: An Exploding Star
and the answer is: SUPERNOVA
Word Meaning:
SUPERNOVA — (astronomy) A powerful and bright explosion of a massive star, which afterwards becomes a neutron star or a black hole, or is destroyed.
Definitions from Wiktionary.