Space
GALAXY
A galaxy is a vast system of stars, gas, dust, and dark matter bound together by gravity. Our own Milky Way contains an estimated 100 to 400 billion stars. The word derives from the Greek 'galaxias', meaning 'milky', referring to the band of light across the night sky.
GALAXY is the kind of word that shows up in themed word searches like Strands. Themed puzzles group words like this under a shared category — here, Space.