This printable word search puzzle on the topic of Astronomy & Space contains 26 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.
electromagnetic spectrum
Hertzsprung‐Russell
main‐sequence star
elliptical galaxy
irregular galaxy
spectral class
temperature
white dwarf
wavelength
supergiant
luminosity
brightness
Milky Way
microwave
gamma ray
frequency
surface
nebulae
planet
galaxy
orbit
giant
star
mass
xray
Sun