"Should We Try to Send Humans to Mars?" Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 13 clues. Answers range from 4 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Women are from Venus and Men are from....?
Knowledge or science used to invent useful tools
A flying machine...Star Trek
A life form that isn't an animal or space alien
Traveling from one place to another
Bill Nye the Science Guy is a...
A name for Mars
"Back to the Future" is a ....movie
An important assignment
AI or Artificial Intelligence programmed by a computer
"Dora the..."
Place where Astronauts train before going to space
Conclusions or resolution reached after careful thought