This printable crossword puzzle on the topic of Astronomy & Space has 10 clues. Answers range from 3 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
95% carbon dioxide
7-10 millibars
Evidence for the existence of life is inconclusive
Frozen water
From rust like coating on surface soil
687 days
Silicates
38% of Earth's
The god of war; identified with the Greek Ares
A region of ice or other frozen matter