There is a total of 6551 clues beginning with as
- Astronomical butter
- Astronomical circle
- Astronomical cloud
- Astronomical cloud in the constellation Cepheus
- Astronomical cloud's name
- Astronomical collision results
- Astronomical cycle
- Astronomical cycle of Babylon
- Astronomical data providers
- Astronomical datum
- Astronomical dazzlers
- Astronomical devices
- Astronomical difference
- Astronomical discovery
- Astronomical discovery initially called Xena
- Astronomical discovery of 1781
- Astronomical discovery of 1801
- Astronomical discovery of 1930
- Astronomical discovery of 1967
- Astronomical discovery of the 1960's
- Astronomical dist
- Astronomical distance
- Astronomical distance meas
- Astronomical distance of 326 light-years
- Astronomical distance unit
- Astronomical distance: Abbr
- Astronomical distances
- Astronomical distances: Abbr
- Astronomical Doppler effect
- Astronomical effect
- Astronomical event
- Astronomical event depicted visually in this puzzle
- Astronomical events
- Astronomical events that occur twice or more a year
- Astronomical explosion
- Astronomical figure of a sort
- Astronomical figure
- Astronomical figure?
- Astronomical figures
- Astronomical find
- Astronomical flare-up
- Astronomical flare-ups
- Astronomical flareups
- Astronomical flash
- Astronomical flasher
- Astronomical gas cloud
- Astronomical handle
- Astronomical handle
- Astronomical hunter
- Astronomical iceball
- Astronomical instruments
- Astronomical intersecting points
- Astronomical kind of flare
- Astronomical ladle
- Astronomical length
- Astronomical Major or Minor
- Astronomical meas
- Astronomical measurement
- Astronomical measures
- Astronomical models
- Astronomical neighbor
- Astronomical news
- Astronomical numbers
- Astronomical object
- Astronomical object with a large red shift
- Astronomical objects represented by the circled letters in this puzzle
- Astronomical observance
- Astronomical observances
- Astronomical observation
- Astronomical observation std
- Astronomical octet
- Astronomical periods
- Astronomical phenomena
- Astronomical phenomenon
- Astronomical phenomenon seen outside the city?
- Astronomical phenomenon
- Astronomical point
- Astronomical point
- Astronomical radio source
- Astronomical rarity
- Astronomical red giant
- Astronomical reference point
- Astronomical ring
- Astronomical rings
- Astronomical scales
- Astronomical scales?
- Astronomical shadow
- Astronomical shadows
- Astronomical sighting
- Astronomical staple
- Astronomical streaker
- Astronomical stretch
- Astronomical study
- Astronomical surveyors' readings
- Astronomical term coined by Galileo
- Astronomical time period
- Astronomical time periods
- Astronomical time span
- Astronomical treatise by Ptolemy, c 150 A D
- Astronomical turning point