Getting more into the astronomy hobby has me thinking about this probably several times a day. Thousands of planets have been discovered in the last few decades, although astronomers tell us there are probably billions. Many are in the "habitable zone."
In such a large and diverse set of solar systems, it seems impossible that humans could be the only intelligent life. Especially when you look at a picture of size of the Universe.
I know there are many theories, but is the simplest one the fact that intelligent life might get extinct/destroy itself before it can reach or contact other intelligent life? I mean, we have gone from hunting/gathering to horse carriages to tech/elec to walking on the moon, launching rovers on other planets, launching satellites, and even a probe to get close to our Sun. If the Universe is 13.8 billion years old, some other life may have enough time to technologically advance like we have or maybe even more?
I feel like intelligent life may only exist a "few" at a time because they become extinct before developing the technology to find other life. Perhaps it is impossible to travel the great distance that the Universe has become? Not so sure about that.
Then there's a new theory that Earth is actually an early bloomer in the Universe's history; therefore, other intelligent life is developing at the same rate we are and are also not technologically advance to travel far enough to find other life just like us.
I'm definitely glad we have things like huge radio telescopes and TESS and the new James Webb Telescope to show us even more. Gotta get some new info in this life!
In the last Observable Universe picture, the red dot is the Virgo Supercluster! Insane!
Edited by HouseBuilder328, 30 November 2019 - 11:40 AM.