Please confirm you are human

This browser or connection looks automated. Press and continuously hold the control for 3 seconds to enable Google-hosted web results and, when separately allowed, AI-assisted answers.

A successful check enables 100 search requests. Interactive access does not authorize scraping, systematic collection, or reuse of search output.

Hold with a pointer, or hold Space or Enter.

News

Space Daily
spacedaily.com > t-sagan-salpeter-jupiter-sinkers-floaters-hunters-aerial-ecosystem

In 1976, Carl Sagan and astrophysicist Edwin Salpeter published a peer-reviewed paper proposing that Jupiter's atmosphere might support an entire aerial ecosystem — sinking microorganisms, buoyant “floaters” potentially kilometres across, and mobile “hunters” that preyed on them — living their entire lives in a world with no solid surface below.

3+ week, 4+ day ago   (1301+ words) Sagan and Salpeter's 1976 Jovian ecology was a calculation, not a claim of discovery: could airborne organisms grow, reproduce and control buoyancy before fatal descent? By Life Signs · Edited by Lachlan Brown Published August 19, 2026 · How we edit Carl Sagan and Edwin…...