n.a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center
同义词：spiral nebula
Spiral Galaxy
Spiral Galaxy
Spiral galaxy
NGC12
NGC 7354
NGC 7459
Hubble Space Telescope view of the spiral galaxy M83.
Andromeda Galaxy, Messier 100, Milky Way, Triangulum Galaxy, Sombrero Galaxy, Spiral galaxy, Messier 81, Whirlpool Galaxy, List of s...
The Fluorescence-Dominated X-Ray Spectrum of the Spiral Galaxy NGC 6552 (Initial Results from ASCA)
The spiral galaxy M 33 mapped in the FIR by ISOPHOT - A spatially resolved study of the warm and cold dust
The Metal-poor Halo of the Andromeda Spiral Galaxy (M31)* ** ***
On the stellar content and structure of the spiral Galaxy M33
Extragalactic chemical abundances: do HII regions and young stars tell the same story? The case of the spiral galaxy NGC 300
