This printable word search puzzle on the topic of Astronomy & Space contains 21 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
terrestrial planets
greenhouse effect
Great Red Spot
Gas giants
atmosphere
Callisto
Ganymede
Galileo
gravity
Mercury
Neptune
Jupiter
Uranus
Europa
Saturn
Rings
Venus
Earth
rock
Mars
ice