- astrodynamics
- astrogate
- astrogated
- astrogates
- astrogating
- astrogeology
- astrol.
- astrolabe
- astrolabes
- astrologies
- astrology
- astrometries
- astrometry
- astron.
- astronaut
- astronaut
- astronautics
- astronauts
- astronavigation
- astronomer
- astronomers
- astronomic
- astronomical
- astronomical distance
- astronomical unit