How big is our universe?

Did you know that our Milky Way Galaxy is just one of over 100 billion galaxies in the universe? Or that light takes about 8.3 minutes to travel from the sun to Earth? Or that the speed of light is the fastest thing in the universe?

In this video, we're talking about our Milky Way Galaxy and how big it is. We're also talking about some of the amazing space missions that NASA has done, like looking at the dark side of the moon and seeing how far away our galaxy is. If you're a science fan, be sure to check out this video!

This video from NASA explains the size of the universe in terms of the light years.