@ThePlanetaryGuy
There are ~400,000,000,000,000,000,000,000 suns like ours in the universe. If even 0.001% of those systems had a rocky planet in the Goldielocks, that’d be 40,000,000,000,000,000,000 earths. If .001 of those had water & .001 of THOSE had life, that’s 400 billion. We are not alone