spiral arm

C5537
concept

A spiral arm is a long, curving region of higher density in a spiral galaxy, containing stars, gas, and dust that trace its characteristic spiral pattern.

All labels observed (2)

Label Occurrences
spiral arm canonical 9
spiral arm of the Milky Way 3

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: spiral arm
Generated description
A spiral arm is a long, curving region of higher density in a spiral galaxy, containing stars, gas, and dust that trace its characteristic spiral pattern.

Instances (12)

Instance Via concept surface
Local Arm spiral arm of the Milky Way
Local Spur spiral arm of the Milky Way
Outer Arm —
Sagittarius Arm —
Norma–Cygnus Arm —
Orion Arm —
Perseus Arm —
Scutum–Centaurus Arm —
Norma Arm —
Orion Arm spiral arm of the Milky Way
Outer Galactic Arm —
Perseus Spiral Arm —