# \[Interview\] Revealing the Secrets of Cosmic Dark Ages

An episode of [Universe Today Podcast](https://invisiblenetwork.ai/podcast/794058155), 7 Jul 2025, 59 min.

Audio: https://c10.patreonusercontent.com/4/patreon-media/p/post/139665805/0c948a7c53cf4818ae43bcd4ee480f92/eyJhIjoxLCJpc19hdWRpbyI6MSwicCI6MX0%3D/1.mp3?token-hash=5UttnP6QrEuJaX9_DajlW03oQWshIb10U3Je2ApLUMo%3D&token-time=1794441600

What are the cosmic dark ages and what do we know about them? Why are the so hard to study? How can the Dark Age Explorer help with it and why does it need to go on the far side of the Moon? Finding out in this interview. 😍 \[Interview+\] Bonus Part. No YT ads. https://www.patreon.com/universetoday 🟣 Guest: Dr Christiaan Brinkerink https://www.ru.nl/en/externals/services/radboud-radio-lab 📜 The Dark Ages Explorer (DEX): a filled-aperture ultra-long wavelength radio interferometer on the lunar far side https://arxiv.org/abs/2504.03418 00:00 Intro 02:31 Cosmic dark ages 14:23 21cm line 19:03 Current instruments 25:00 Dark Ages Explorer 41:20 Science objectives 50:47 Working with EHT 58:09 Current obsessions 📺 VIDEO VERSION https://youtu.be/6OJhhPxzd5U 📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0) Support Universe Today Podcast

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