Beehive
Cepheid variable
Hertzsprung-Russell diagram
Hyades
Messier catalog
NGC
Pleiades
Seven Sisters
absolute magnitude
amount
ampleness
amplitude
area
bigness
binary star
black hole
body
boundlessness
breadth
bulk
caliber
consequence
coverage
depth
diameter
dimension
dimensions
double star
dwarf star
enormity
enormousness
expanse
expansion
extension
extent
fixed star
force
formidableness
fullness
gauge
giant star
gigantism
girth
globular cluster
grandeur
grandness
gravity star
great scope
ratio
complexity
density
duration
frequency
greatness
importance
intensity
proportion
rapidity
scope
severity
strength
velocity