The Search For Another Earth Download //top\\ Here

But here’s the catch: The closest potentially habitable planet (Proxima Centauri b) is 4.2 light-years away. Even at the speed of light, it’s a four-year trip. At the speed of a rocket? Tens of thousands of years.

For most of human history, “finding another Earth” was a philosophical exercise. The Greeks had the Cosmos of other worlds; H.G. Wells gave us The War of the Worlds . But we couldn’t see anything. the search for another earth download