Earth and Space Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 12 clues. Answers range from 4 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

a thin, curved shape of the moon
the amount of light a star gives off
a moon phase that is not quite full
a group of stars forming a recognizable patter
turning on an axis
when half of the moon is illuminated
the movement of one object around another object
how bright a star appears from Earth
a bright object that gives off energy by light produced in its core
when the moon is totally illuminated
an object that orbits the sun. "wanderer"
the first phase of the moon when it looks almost completely dark