Space Exploration Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 11 clues. Answers range from 6 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

A planet named after the Roman messenger god
Any object that revolves around another object in space
The belief that everything in the universe revolved around the Earth
A spacecraft that travels back and forth between Earth and Space
The belief that the planets, including Earth, revolve around the sun
A large artificial satellite designed for people to live there for extended periods of time
The name of America's manned missions to to the moon between 1967-1973
A planet named after the Roman god of the seas
A competition between the United States and Soviet Union in space exploration
The culture that developed simple rockets about a thousand years ago
The 1st artificial satellite