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
You can see the earth through a telescope from spaceYou can see the earth through a telescope from space
The earth from behind which another planet is visibleThe earth from behind which another planet is visible