Name something you can see in the sky (no living or manmade things)
Plankton
The first thing everyone thinks of.
- Cloud
- Moon
- Rainbow
- Star
- Sun
Schooler
Solid, but you’re swimming with the crowd.
- Big Dipper
- Cirrus
- Comet
- Constellation
- Crescent Moon
- Cumulonimbus
- Cumulus
- Double rainbow
- Drizzle
- Fog
- Full Moon
- Lightning
- Lunar eclipse
- Northern Lights
- Orion
- Orion's Belt
- Planet
- Polaris
- Rain
- Shooting star
- Sirius
- Snow
- Solar eclipse
- Stratus
Rare
Genuinely uncommon. A strong pick on any prompt.
- 22° halo
- Afterglow
- Aldebaran
- Alpha Centauri
- Altair
- Altocumulus
- Altostratus
- Andromeda Galaxy
- Annular solar eclipse
- Antares
- Anvil cloud
- Aquarius
- Arcturus
- Aries
- Asteroid
- Atmospheric reentry
- Ball lightning
- Bellatrix
- Betelgeuse
- Binary star
- Blizzard
- Blood Moon
- Blue giant
- Blue hour
- Blue Moon
- Blue supergiant
- Bolt from the blue
- Cancer
- Capricornus
- Cassiopeia
- Chelyabinsk meteor
- Cirrocumulus
- Cirrostratus
- Civil twilight
- Cloud-to-cloud lightning
- Cloud-to-ground lightning
- Cloudburst
- Comet Hale-Bopp
- Comet tail
- Crepuscular rays
- Crux
- Cygnus
- Dark nebula
- Daytime Moon
- Derecho
- Double star
- Draco
- Dry lightning
- Dust devil
- Dust storm
- Dwarf galaxy
- Eclipse
- Elliptical galaxy
- Ember
- Fire rainbow
- First-quarter Moon
- Fogbow
- Forked lightning
- Freezing fog
- Freezing rain
Deep Cut
Real obscurity. This is where the list gets long.
- 120° parhelion
- 18° halo
- 20° halo
- 23° halo
- 24° halo
- 35° halo
- 46° halo
- 47 Tucanae
- 9° halo
- A-type main-sequence star
- Acamar
- Achernar
- Achird
- Acrab
- Acrux
- Actinoform cloud
- Acubens
- Adhafera
- Adhara
- Adhil
- Advection fog
- Aerostaticus
- AG Pegasi
- AG Pegasi Nova of 1850
- Ain
- Ainalrami
- Airglow
- Aladfar
- Alawaidh
- Alaybasan
- Albaldah
- Albali
- Albireo
- Alchiba
- Alcor
- Alcyone
- Alderamin
- Aldhanab
- Aldhibah
- Áldu
- Aldulfin
- Alexander's band
- Alfarasalkamil
- Alfirk
- Algedi
- Algenib
- Algieba
- Algol
- Algol variable
- Algorab
- Alhena
- Alioth
- Aljanah
- Alkaid
- Alkalurops
- Alkaphrah
- Alkarab
- Alkes
- Almaaz
- Almach
One in a Krillion
The gem picked for each prompt. Trench floor.
- STEVE
Named after a hedge called Steve in Over the Hedge.