SETI : Where Are All the Aliens? The Fermi Paradox.

(by FRASER CAIN) Consider this. The Universe is enormous.

There are as many as four-hundred billion stars in our galaxy: the Milky Way.

And there are more than one-hundred-and-seventy billion galaxies in the observable Universe. Most of those stars have planets,

Read More, and gain the understanding of the Universe at the Macro level. -> Sources.