Four radio telescopes on the background of the galaxyFour radio telescopes on the background of the galaxy
The fiery sun on the background of the relief of the mountainsThe fiery sun on the background of the relief of the mountains
The university in moscow is located next to a pond with the purest waterThe University in Moscow is located next to a pond with the purest water
The scale of one planet and the observable universeThe scale of one planet and the observable universe