"galaxies" - key terms from Wikipedia

active galaxies
annual twin galaxies
antennae galaxies
atlas of peculiar galaxies
background galaxies
clusters of galaxies
disk galaxies
distant galaxies
dwarf galaxies
elliptical galaxies
first galaxies
forming galaxies
galaxies
galaxies	in the universe
host galaxies
irregular galaxies
list of galaxies
luminous galaxies
nearby galaxies
number of galaxies
other galaxies
radio galaxies
satellite galaxies
spiral galaxies
star wars galaxies
starburst galaxies
twin galaxies
twin galaxies	conducted
twin galaxies	intergalactic scoreboard
twin galaxies	poster
two galaxies