Small Rock Orbiting the Sun
Puzzle 16 of Group Activities Easy Pack
Question is: Small Rock Orbiting the Sun
and the answer is: ASTEROID
Word Meaning:
ASTEROID — (astronomy) A naturally occurring solid object, which is smaller than a planet and a dwarf planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape.
Definitions from Wiktionary.