Astronomy Cast Ep. 665: The Age of Reionization

<p><a href= "https://www.youtube.com/watch?v=ceUI7wR76gE">https://www.youtube.com/watch?v=ceUI7wR76gE</a></p> <p>The Cosmic Microwave Background Radiation tells us so much about the Universe. After that era, the Universe went dark. Then, as gas pulled together into the first stars and eventually galaxies, light returned, beginning the Age of Reionization.</p> <p> </p> <p><strong>This video was made possible by the following Patreon members:</strong></p> <p>Burry Gowen</p> <p>Stephen Veit</p> <p>Jordan Young</p> <p>Jeanette Wink</p> <p>Kevin Lyle</p> <p>Venkatesh Chary</p> <p>Andrew Poelstra</p> <p>Brian Cagle</p> <p>David Truog</p> <p>Gerhard Schwarzer</p> <p><strong>THANK YOU! - Fraser and Dr. Pamela</strong></p> <p> </p> <p>We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.<span class= "Apple-converted-space"> </span></p> <p>Just visit: <a href= "https://www.patreon.com/365DaysOfAstronomy">https://www.patreon.com/365DaysOfAstronomy</a> and donate as much as you can!</p> <p>Share the podcast with your friends and send the Patreon link to them too!<span class="Apple-converted-space"> </span></p> <p>Every bit helps! Thank you!</p> <p>------------------------------------</p> <p>Do go visit <a href= "http://www.redbubble.com/people/CosmoQuestX/shop">http://www.redbubble.com/people/CosmoQuestX/shop</a> for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!</p> <p><a href= "http://cosmoquest.org/Donate">http://cosmoquest.org/Donate</a> This show is made possible through your donations.<span class= "Apple-converted-space"> </span></p> <p>Thank you! (Haven't donated? It's not too late! Just <a href= "http://cosmoquest.org/Donate">click</a>!)</p> <p>------------------------------------</p> <p>The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. <a href= "http://www.psi.edu">http://www.psi.edu</a></p> <p>Visit us on the web at <a href= "http://365DaysOfAstronomy.org/">365DaysOfAstronomy.org</a> or email us at