Solar System Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 21 clues. Answers range from 3 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

warmest planet; thickest atmosphere
smallest planet
only planet known to have life
known as the red planet
largest mountain/volcano in solar system
largest planet; know for Great Red Spot
planet that has lowest density; also has largest ring system
planet that spins on its side
planet that has highest winds
smallest dwarf planet
largest dwarf planet
large spherical region that surrounds our solar system
largest natural satellite
region of solar system just outside Neptune that contains many small solar bodies
closest star to Earth
dwarf planet that has five natural satellites
a meteoroid that lands on the surface of a planet
Saturn's largest natural satellite
astronomer that first developed thd heliocentric model
Astronomer that improved upon the telescope and observed the four major satellites of Jupiter
Number of planets in our solar system