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- astrophysics - cosmology and nongalactic astrophysics19
- astrophysics13
- large-scale structure of universe12
- astrophysics::cosmology and extragalactic astrophysics9
- fos: physical sciences9
- galaxies: clusters: general8
- astronomy and astrophysics7
- cosmology and nongalactic astrophysics (astro-ph.co)7
- space and planetary science7