This printable crossword puzzle on the topic of Astronomy & Space has 10 clues. Answers range from 3 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Produces energy by nuclear fusion
Revolves around the earth every 29 1/2 days
Earth centered solar system
Sun centered solar system
Cloud of gas and dust where stars are born
The actual brightness of a star
A huge collection of stars bound together by gravity
The shape of the path that the planets travel around the Sun
"Centered" over the North Pole
Names given to groups of stars to help tell which stars are which and where they are found in the night sky