This printable word search puzzle contains 20 hidden words in a 24x24 letter grid. Words go horizontally, vertically, and backwards. This word search is also available to download as a Microsoft Word document or a PDF.
stephenhawking
neilarmstrong
lightyear
bloodmoon
astronaut
universe
neptune
jupiter
mercury
eclipse
saturn
aliens
meteor
aera51
comets
pluto
earth
iss
UFO
sun