I took astronomy in College and been interested ever since. Here is something interesting.
Our Solar System, which includes our Sun and the other planets revolving around the Sun is located in the Milky Way Galaxy.
So far, astronomers have found more than 500 solar systems, in our MILKY WAY GALAXY, ---- just like ours, with a Sun, moon, and other planets revolving around their Sun, that may or may not have life, we just don’t know because it would take take 200,000 years for a spaceship traveling at the speed of light (186,000 miles per second) to go across the entire Milky Way Galaxy.
But here is the thing, Scientist are discovering new ones every year. Given how many they have found in our own neighborhood of the Milky Way galaxy, scientists estimate that there may be tens of billions of solar systems in our Milky Way Galaxy alone, perhaps even as many as 100 billion just like our Solar system..
Now something astonishing happened around 2003. They pointed the Hubble Telescope at a patch of sky that had nothing in it but was completely dark and void of anything. And this spot was outside our Milky Way Galaxy.
After some time, the Telescope revealed 10,000 Galaxies just like our Milky Way Galaxy with Billions of Stars just like our sun meaning Billions of Solar systems just like our Solar system with a Planet, a Sun, a Moon, and other planets revolving around their own Sun---and maybe, just maybe, -----intelligent life superior to ours.
Meaning, what we know is vastly outstripped by what we don't know. In other words, we are just at the tip of the beginning of knowledge.