Galaxies are like dust in a deep abyss. astronomy does not know space and planets, only keeps its eyes on a grain. sublunary world - a grain of sandGalaxies are like dust in a deep abyss. Astronomy does not know space and planets, only keeps its eyes on a grain. Sublunary world - a grain of sand
The mysteries of astronomy in the constellations of the galaxyThe mysteries of astronomy in the constellations of the galaxy