Astronomi teoretis ngamedalang spekulasi indik kawéntenan objek sekadi lubang hitam miwah bintang neutron, sané sampun kawigunayang anggén nlatarang fenomena sané kaselehin sekadi quasar, pulsar, blazar, miwah galaksi radio.
Theoretical astronomy led to speculations on the existence of objects such as black holes and neutron stars, which have been used to explain such observed phenomena as quasars, pulsars, blazars, and radio galaxies.