__ Fusion: Hydrogen Turns Into Helium in the Sun

This page is the CodyCross answer for the clue below from Earth, Group 1, Puzzle 5.

Question is: __ Fusion: Hydrogen Turns Into Helium in the Sun

and the answer is: NUCLEAR

Word Meaning:

NUCLEAR — Pertaining to the nucleus of an atom.

Definitions from Wiktionary.

__ fusion: hydrogen turns into helium in the Sun — CodyCross Answer | CodyCross Solutions