# Sputnik Page: https://stenobird.com/podcast/citation-needed-8016/sputnik Text version: https://stenobird.com/podcast/citation-needed-8016/sputnik.md Podcast: [Citation Needed](https://stenobird.com/podcast/citation-needed-8016) Published: 2026-03-04T17:00:00+00:00 Episode link: https://citationpod.libsyn.com/sputnik Audio file: https://dts.podtrac.com/redirect.mp3/pscrb.fm/rss/p/mgln.ai/e/35/clrtpod.com/m/arttrk.com/p/ARTS0/traffic.libsyn.com/secure/citationpod/cn464-wide.mp3?dest-id=518557 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/citation-needed-8016/episodes/sputnik Duration seconds: 2007 ## Resource Sputnik 1 ( / ˈ s p ʌ t n ɪ k , ˈ s p ʊ t n ɪ k / , Russian : Спутник-1 , Satellite 1 ), often referred to as simply Sputnik , was the first artificial Earth satellite . It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program . It sent a radio signal back to Earth for three weeks before its three silver-zinc batteries became depleted. Aerodynamic drag caused it to fall back into the atmosphere on 4 January 1958. ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/citation-needed-8016/episodes/sputnik/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/citation-needed-8016/sputnik.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.