radio star

Etymology 1

 * see.

Noun

 * 1)  A celebrity famous for appearances in radio broadcasts.

Related terms

 * , movie star

Etymology 2
From being discrete astronomical radio-frequency electromagnetic radiation sources found in the sky, which would twinkle when the Earth's ionosphere varies.

Noun

 * 1)  A discrete astronomical radio source

Usage notes
Though these are called stars, most of these sources are not actual astrophysical stars, the majority having been discovered to be galaxies, thus the term is obsolete. The term originates from the pioneering days of radio astronomy.