# 237: Why does an asteroid hit the Earth? And why so big? Page: https://stenobird.com/podcast/spacepod-174342/237-why-does-an-asteroid-hit-the-earth-and-why-so-big Text version: https://stenobird.com/podcast/spacepod-174342/237-why-does-an-asteroid-hit-the-earth-and-why-so-big.md Podcast: [Spacepod](https://stenobird.com/podcast/spacepod-174342) Published: 2026-08-01T16:00:00+00:00 Episode link: https://spacepod.libsyn.com/237-why-does-an-asteroid-hit-the-earth-and-why-so-big Audio file: https://traffic.libsyn.com/secure/spacepod/237WhyAsteroidHitEarth.mp3?dest-id=277763 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/spacepod-174342/episodes/237-why-does-an-asteroid-hit-the-earth-and-why-so-big Duration seconds: 817 ## Resource A question from Lyla, age 5. Dr. Federica Spoto answers. For more on Dr. Spoto's work, see episode 190 . ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/spacepod-174342/episodes/237-why-does-an-asteroid-hit-the-earth-and-why-so-big/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/spacepod-174342/237-why-does-an-asteroid-hit-the-earth-and-why-so-big.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.