astrometric
astrometry
astronaut
astronautic
astronautical
astronautic(al)
astronautically
astronautics
astronavigation = astronomical navigation
astronomer
astronomic
astronomical
astronomic(al)
astronomically
astronomy
astrophotocamera
astrophotographic
astrophotography
astrophysical
astrophysicist
astrophysics
astropyle
astrosphere
astucious
astute
astutely
astuteness
asunder
aswarm
aswoon