Topic
- 010303 astronomy & astrophysics41
- galaxy38
- astrophysics::cosmology and extragalactic astrophysics36
- astrophysics::galaxy astrophysics35
- redshift31
- astrophysics::high energy astrophysical phenomena28
- 010308 nuclear & particles physics27
- star formation22
- natural sciences. physics. astronomy and astrophysics17