Welcome back, Spherical Cow Moonions!
This week unfortunately marks the final episode of Spherical Cow. Thank you so much for supporting our podcast - we hope you have enjoyed the episodes!
In this episode we are finishing off our discussion about the history of the universe. We will be talking about the Epoch of Reionization, how scientists actually learn about this era and saying goodbye!
Please see an amendment to our discussion below:

To view our sources please see our website - https://www.podpage.com/spherical-cow/
N.B. Parts of this episode were recorded virtually so the audio quality might be different to normal.

Sorry I slipped up here! I meant to say that when high energy radiation was emitted by the first starts and, then later, by quasars, the neutral hydrogen was broken apart into positive nuclei and electrons not positive nuclei and ions (the positive nuclei are the ions)!

Two Sixth Form students who love discussing interesting physics topics!