A Brief History of Black Holes: And why nearly everything you know about them is wrong Dr Becky Smethurst
Nyd den ubegrænsede adgang til tusindvis af spændende e- og lydbøger - helt gratis
Given the fact that there are perhaps 400 billion stars in our galaxy alone, and perhaps 400 billion galaxies in the universe, it stands to reason that somewhere out there, in the fourteen-billion-year-old cosmos, there is or once was a civilization at least as advanced as our own. The sheer enormity of the numbers almost demands that we accept the truth of this hypothesis. Why, then, have we encountered no evidence, no messages, no artifacts of these extraterrestrials?
© 2021 Blackstone Publishing (Lydbog): 9781799915874
Release date
Lydbog: 27. juli 2021
Dansk
Danmark