The Universe is gigantic, bigger than you can probably imagine. If you were to stand in the middle of the Universe, the outer edge (if there is one) would be a huge 440,000,000,000,000,000,000,000 km away, and that's just the observable Universe. We don't really know how big it actually is or if it's infinite. Did […] The post How Big is the Universe? appeared first on Science Experiments for Kids.
