Our sun is one of 100 billion stars in our galaxy. Our galaxy is one of billions of galaxies populating the universe.… — Wernher von Braun Copy Share Image
There may be aliens in our Milky Way galaxy, and there are billions of other galaxies. The probability is almost certain that… — Buzz Aldrin Copy Share Image
The reality is that we know that this universe, that our galaxy, has billions of stars. We know that stars have planets.… — Mae Jemison Copy Share Image
