SUN,EARTH,and MOON Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 11 clues. Answers range from 3 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

an imaginary line that a sphere rotates around
the layer of gas surrounding plant earth
some planetes have no moon
making a complete turn or orbit around an axis or center
the star at the center of our solar system
the planet that all known life exists on
the heaviness of an object;force of of gravity on mass
making a complete spin on an axis
the outermost covering or layer
bowl-shaped indents or cavities on the surface of a planet
the path one object takes as it revolves around another object in space