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.