i think it would be impossible for intelligent life to not exist somewhere, think of how big the observable universe is, for someone to think that our tiny little planet is the only means of intelligent life means that person isn’t very intelligent. there is just no way our planet is one of a kind in a universe that…

That raises the total to somewhere between one and two trillion galaxies, which is up from the previous best estimate of 100 billion galaxies. Consequently, this means we also have to update the number of stars in the observable universe, which now numbers around 700 sextillion (that’s a 7 with 23 zeros behind it, or…

“It boggles the mind that over 90 percent of the galaxies in the universe have yet to be studied.”