galactic radio source मीनिंग इन हिंदी

उदाहरण वाक्य

1. The problem of the interpretation of extra-galactic radio source spectra . ( IC / 73 / 104 ) International Centre for Theoretical Physics.
2. Since sometime in the late 20th century, Earth's rotation has been defined relative to an ensemble of extra-galactic radio sources and then converted to mean solar time by an adopted ratio.