This printable word search puzzle on the topic of Astronomy & Space contains 10 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.
Planetesimals
Solar nebula
Protostellar
Heliocentric
Terrestrial
Geocentric
Rotation
Mercury
Planet
Sun