Is the Cosmic Microwave Background a Huge Mistake?

Check out my introduction to quantum mechanics course on Brilliant! Get your first 30 days free as well as 20% off an annual premium subscription when you use my link ➜ https://brilliant.org/sabine.

In the Big Bang Theory, the cosmic microwave background — microwave-range radiation that floats through the entire universe at a steady 2.7 Kelvin — is evidence that a hot explosion of plasma kicked off the creation of the universe. But according to a new paper, the microwave radiation came from early galaxies instead. Does this mean that the big bang theory is wrong? Let’s take a look.

Paper: https://www.sciencedirect.com/science...

This video comes with a quiz which you can take here: https://quizwithit.com/start_thequiz/...

🤓 Check out my new quiz app ➜ http://quizwithit.com/
💌 Support me on Donorbox ➜ https://donorbox.org/swtg
📝 Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/
👉 Transcript with links to references on Patreon ➜   / sabine  
📩 Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsle...
👂 Audio only podcast ➜ https://open.spotify.com/show/0MkNfXl...
🔗 Join this channel to get access to perks ➜
   / @sabinehossenfelder  
🖼️ On instagram ➜   / sciencewtg  
📚 Buy my book ➜ https://amzn.to/3HSAWJW

#science #sciencenews #physics #bigbang