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Browse by SubjectExplore Physics Library articles through the Physics and Astronomy Classification Scheme. Up one level | Current category: 98-XX - Stellar systems; interstellar medium; galactic and extragalactic objects and systems; the Universe
SubcategoriesChoose a category to continue through the subject hierarchy. 98.
Stellar systems; interstellar medium; galactic and extragalactic objects and systems; the Universe
98.10.+z
Stellar dynamics and kinematics
Stellar clusters and associations
Characteristics and properties of the Milky Way galaxy
Interstellar medium (ISM) and nebulae in Milky Way
Normal galaxies; extragalactic objects and systems (by type)
Quasars; active or peculiar galaxies, objects, and systems
Local group; Magellanic Clouds
Interstellar medium (ISM) and nebulae in external galaxies
Characteristics and properties of external galaxies and extragalactic objects (for the Milky Way, see 98.35.-a)
Galaxy groups, clusters, and superclusters; large scale structure of
Unidentified sources of radiation outside the Solar System
Cosmology (see also section 04 General relativity and gravitation; for origin and evolution of galaxies, see 98.62.Ai; for elementary particle and nuclear processes, see 95.30.Cq; for dark matter, see 95.35.+d; for superclusters and large-scale structure
98.90.+s
Other topics on stellar systems; interstellar medium; galactic and extragalactic objects and systems; the Universe (restricted to new topics in section 98)
Errata and other corrections
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