98.38.-j Interstellar medium (ISM) and nebulae in Milky Way
- 98.38.Am Physical properties (abundances, electron density, magnetic fields, scintillation, scattering, kinematics, dynamics, turbulence, etc.)
- 98.38.Bn Atomic, molecular, chemical, and grain processes
- 98.38.Cp Interstellar dust grains; diffuse emission; infrared cirrus
- 98.38.Dq Molecular clouds, H<sub>2</sub> clouds, dense clouds, and dark clouds
- 98.38.Er Interstellar masers (for circumstellar masers, see 97.10.Fy)
- 98.38.Fs Jets, outflows, and bipolar flows (for pre-main sequence objects, see 97.21.+a)
- 98.38.Gt H I regions and 21-cm lines; diffuse, translucent, and high-velocity clouds
- 98.38.Hv H II regions; emission and reflection nebulae
- 98.38.Jw Infrared emission
- 98.38.Kx Intercloud medium (ICM); hot and highly ionized gas; bubbles
- 98.38.Ly Planetary nebulae (for nuclei of planetary nebulae, see also 97.20.Rp)
-
98.38.Mz Supernova remnants
(2)