Mercury Is One in Our Solar System
This page is the CodyCross answer for the clue below from Greece, Group 675, Puzzle 3 (Meteora Monasteries).
Question is: Mercury Is One in Our Solar System
and the answer is: PLANET
Word Meaning:
PLANET — (now historical or astrology) Each of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn.
Definitions from Wiktionary.