This visualization comparing sizes of the Universe is just overwhelming. The scale of the Universe is almost beyond our imagination. In this video, you can find size comparisons of asteroids, moons, planets, and stars. Our sun is the biggest celestial body in our solar system, but wait until you see Arcturus, a star 36.6 light years away. And all those are very tiny compared to TON 618, the biggest black hole in the universe. | The Brain Maze

38 reactions | How Big Is Our Milky Way Galaxy? The Milky Way...

When we talk about the enormity of the cosmos 💫, it’s easy to toss out big numbers – but far more difficult to wrap our minds around just how large, how far, and how numerous celestial bodies really are. Join us for a cosmic journey to see the size of our Milky Way galaxy: https://go.nasa.gov/2UxkHIN | NASA - National Aeronautics and Space Administration