Shorter of the Two Bones in the Forearm
This page is the CodyCross answer for the clue below from Space Exploration, Group 920, Puzzle 1 (Hydrogen and Helium).
Question is: Shorter of the Two Bones in the Forearm
and the answer is: RADIUS
Word Meaning:
RADIUS — (anatomy) The long bone in the forearm, on the side of the thumb.
Definitions from Wiktionary.