Dutch astronomer Christiaan Huygens may have been the first person to truly understand both the large sizes of other planets and the great distances to other stars. In 1690, he wrote:
Vast Orbs: Dutch astronomer Christiaan Huygens may have been the first person to truly understand both the large sizes of other planets and the great distances to other stars. In 1690, he wrote: “How vast those Orbs must be,…