Astronomers Have Found Life on Another Planet, But What Does This Mean?
The puzzle.
In our galaxy, the Milky Way, there are 100 billion stars, and more than 100 billion planets spinning around stars. Our sun has eight planets. What are the odds that our planet, earth, is the only one with life? One chance in 100 billion, so it’s very unlikely. To say this another way, … More “Astronomers Have Found Life on Another Planet, But What Does This Mean?”