This was the ill-fated planet Krypton, which revolved about the brilliant sun of its own solar system. While satellites, like ringed moons, in turn, revolved about it.
12 seconds sound clip from Superman (1948) - Superman Comes To Earth (Chapter 1).
You can hear this line at 00:01:13.282 in the Blu-ray version of the episode.
Quote context
[...]
- Among the leaders was Jor-El, the foremost man of science.
- Jor-El's wife, Lara, inspired him in his feverish race to construct a trial spaceship.
[...]