astronomical phenomenon

C4776
concept

An astronomical phenomenon is any observable event or process that occurs in outer space or the Earth's atmosphere due to the behavior and interaction of celestial bodies and cosmic forces.

All labels observed (23)

Label Occurrences
emission nebula 86
meteor shower 18
astronomical phenomenon canonical 7

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: astronomical phenomenon
Generated description
An astronomical phenomenon is any observable event or process that occurs in outer space or the Earth's atmosphere due to the behavior and interaction of celestial bodies and cosmic forces.

Instances (131)

Instance Via concept surface
Allende meteorite fall astronomical event
Orion Nebula emission nebula
Messier 8 emission nebula
summer solstice astronomical event
Messier 17 emission nebula
Rosette Nebula emission nebula
Messier 20 emission nebula
Eagle Nebula emission nebula
NGC 7538 emission nebula
NGC 281 emission nebula
Lagoon Nebula emission nebula
Great Red Spot planetary storm
Trifid Nebula emission nebula
NGC 1499 emission nebula
North America Nebula emission nebula
N66
linked to: N66 (nebula)
emission nebula
NGC 604 emission nebula
Omega Nebula emission nebula
30 Doradus emission nebula
SN 1572 historical supernova
IC 1805 emission nebula
IC 1848 emission nebula
Tarantula Nebula emission nebula
NGC 346 emission nebula
Barnard's Loop emission nebula
Delta Cancrids meteor shower
Iota Cancrids meteor shower
Geminids
linked to: Gemini
meteor shower
Earth rotation
Messier 16 emission nebula
Orion Nebula
linked to: Orion
emission nebula
Alpha Capricornids meteor shower
Chi Capricornids meteor shower
Sigma Capricornids meteor shower
Venus as evening star
Caesar’s Comet
linked to: Caesar’s comet
historical astronomical event
Parker spiral model solar physics concept
de Sitter effect phenomenon in celestial mechanics
NGC 3372 emission nebula
Herbig–Haro object emission nebula
Rubin–Ford effect
NGC 3132 emission nebula
Eight-Burst Nebula emission nebula
Caldwell 74 emission nebula
Type Ia supernovae
Blandford–Znajek process astrophysical process
SN 1961V astronomical transient
Halley’s Comet of 1066 comet appearance
M20 emission nebula
NGC 6514 emission nebula