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- astronomi4
- astronomy4
- astronomy and astrophysics3
- astronomi, astrofysik och kosmologi2
- astronomy, astrophysics and cosmology2
- astrophysics::cosmology and extragalactic astrophysics2
- astrophysics::earth and planetary astrophysics2
- astrophysics::galaxy astrophysics2
- astrophysics::solar and stellar astrophysics2