Origin of Modern Astronomy Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 10 clues. Answers range from 5 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

the science that studies the universe
the turning of a body on its axis
representing the earth as the center
when earth is closet to the sun
representing the sun as the center
when earth is farthest from the sun
when the moon is closet to earth
a round depression in the surface of the moon
when the moon is farthest from earth
long channel