Class: quasar
http://www.astro.umd.edu/~eshaya/astro-ont/owl/astronomy.owl#quasar
Annotations
- label: "quasar" (string)
- altLabel: "quasi-stellar object" (string)
- altLabel: "quasi-stellar radio_source" (string)
- altLabel: "QSO" (string)
- altLabel: "quasi-stellar galaxy" (string)