Dense Central Structure in the Middle of an Atom

This page is the CodyCross answer for the clue below from Space Exploration, Group 914, Puzzle 2 (Trojan Asteroids).

Question is: Dense Central Structure in the Middle of an Atom

and the answer is: NUCLEUS

Word Meaning:

NUCLEUS — The core, central part of something, around which other elements are assembled.

Definitions from Wiktionary.

Dense Central Structure In The Middle Of An Atom - Space Exploration CodyCross Answers | CodyCross Solutions