![Ask Ethan: How far is the edge of the Universe from the farthest galaxy? | by Ethan Siegel | Starts With A Bang! | Medium Ask Ethan: How far is the edge of the Universe from the farthest galaxy? | by Ethan Siegel | Starts With A Bang! | Medium](https://miro.medium.com/max/960/1*U5vrsK9nT8r0xU1-gEqhMg.jpeg)
Ask Ethan: How far is the edge of the Universe from the farthest galaxy? | by Ethan Siegel | Starts With A Bang! | Medium
The Secrets Of The Universe - The Cosmic Microwave Background radiation is also known as the afterglow of the big bang. | Facebook
![Microwave: The Cosmic Microwave Background (CMB). Shortly after the Big Bang, the Universe cooled enough to allow atoms to form. After this point in time, - ppt download Microwave: The Cosmic Microwave Background (CMB). Shortly after the Big Bang, the Universe cooled enough to allow atoms to form. After this point in time, - ppt download](https://slideplayer.com/5135927/16/images/slide_1.jpg)