Four radio telescopes on the background of the galaxyFour radio telescopes on the background of the galaxy
The parabolic antenna of the radio telescope in search of the moon and venusThe parabolic antenna of the radio telescope in search of the Moon and Venus
Tracks of a radio electronics board for a computerTracks of a radio electronics board for a computer
Anime where a chinese white deacon communicates with peopleAnime where a Chinese white deacon communicates with people