This printable word search puzzle on the topic of Astronomy & Space contains 20 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.
ultraviolet radiation
convective zone
radiative zone
nuclear fusion
planetesimals
solar nebula
chromosphere
photosphere
atmosphere
gravity
sunspot
oxygen
planet
nebula
corona
mantle
ocean
heat
core
sun