“delight in putting colonies everywhere. The Tadpoles noted the terraforming project on the fourth world with bemusement. There was no shortage of habitable worlds beyond the tramlines either. Why the humans considered an attempt to reshape an old and dry… — Christopher Nuttall Copy Share Image
The number of habitable worlds in our galaxy is certainly in the tens of billions, minimum, and we haven't even talked about the moons. And the number of galaxies we can see, other than our own, is about 100 billion. — Seth Shostak Copy Share Image
