orbital plane
astrophoto
galactocentric
galactic
constellation
Trapezium
celestitude
white dwarf
astrologue
crut
white dwarf star
cosmo-
planetarian
superstar
groupcentric
Perseus Arm
pancosmic
megamaser
spacekin
starlike
milchy
Akash
perspective glass
astroseismicity
ocean world
astrophysicist
observatory
Alniyat
astrolabe
Lionrock
quasistellar
quasar
barred spiral galaxy
Lich
instellation
midorbit
quasi-stellar radio source
wandering star
Uranian
robodoc
dwarf spheroidal
galactical
semi-Tychonic
mammospheric
limb
radiomorphology
cosmically
aster-
Hermes