There Are Eight in Our Solar System

Puzzle 8 of Aliens Pack

Question is: There Are Eight 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.

There are eight in our solar system Aliens Answers | CodyCross Solutions