Beyond the Cosmic Horizon
Beyond the Cosmic Horizon
In 2012, scientists detected the most distant galaxy discovered to date. This galaxy is now expected to be over 46 billion light years from the Earth, at the very edge of the observable universe. But what differentiates the observable universe and the rest of the universe? Today, we examine how a 13 billion year-old universe can be hundreds of billions of light years in diameter, and what might be waiting for us behind the barrier of the cosmic horizon.
Want to learn more about dark energy? Check out my other video: https://youtu.be/XqbznIg9LFk
