Earth and Space Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 10 clues. Answers range from 3 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

The path one object takes as it revolves around another object in space
making a complete spin on an axis
an imaginary line that a sphere rotates around
making a complete turn or orbit around an axis or center
a natural satellite that orbits a planet
bowl-shaped indents or cavities on the surface of a planet, moon, or asteroid that are caused by a collision with another object, such as a metereoite
the heaviness of an object
the star at the center of our solar system that supplies heat and light to Earth
the planet that all known life exists on
the outermost covering or layer