Martian Chronicles Crossword

This printable crossword puzzle on the topic of Classic Literature has 13 clues. Answers range from 3 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Life form from the fourth planet.
A doctor for the mental health.
A human whose occupation is to go into space to study the universe.
A weapon used in most sci-fi movie and books.
Unknown life form from uncharted territory.
Any area outside the stratosphere.
The source of light for our solar system.
How many planets are there in the solar system? (Including dwarf planets)
The dwarf planet.
Genre of fiction novels/films that deals with science
Author of The Martian Chronicles
The third planet.
The fourth planet.