# Giant Hole on the Moon May Lead to Secret Tunnel System Page: https://stenobird.com/podcast/bright-side-universe-7141660/giant-hole-on-the-moon-may-lead-to-secret-tunnel-system Text version: https://stenobird.com/podcast/bright-side-universe-7141660/giant-hole-on-the-moon-may-lead-to-secret-tunnel-system.md Podcast: [Bright Side Universe](https://stenobird.com/podcast/bright-side-universe-7141660) Published: 2026-05-31T11:00:00+00:00 Episode link: https://traffic.megaphone.fm/ADME4552414627.mp3 Audio file: https://traffic.megaphone.fm/ADME4552414627.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/bright-side-universe-7141660/episodes/giant-hole-on-the-moon-may-lead-to-secret-tunnel-system Duration seconds: 745 ## Resource If you look up at the Earth's satellite, the Moon, you'll see that its surface is peppered with thousands of craters. Those are caused by asteroids and meteorites colliding with the lunar surface. But it also has over 200 holes that might even lead to caves. Scientists from around the world keep an eye on them and wondering if they may lead to an underground tunnel system... Learn more about your ad choices. Visit megaphone.fm/adchoices ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/bright-side-universe-7141660/episodes/giant-hole-on-the-moon-may-lead-to-secret-tunnel-system/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/bright-side-universe-7141660/giant-hole-on-the-moon-may-lead-to-secret-tunnel-system.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.