TESS

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   Reddit user says a long Claude Code session may have found an exoplanet candidate

   A user posting as specbug on r/ClaudeAI says a nine-day Claude Code cloud session on the Pro plan may have uncovered an exoplanet candidate in a system about 218 light-years away. The candidate is described as 3.75 times Earth's size and as appearing in four TESS transits captured between 2019 and 2026; the poster also published a Zenodo preprint, data and code, and pre-registered predictions for TESS monitoring in February 2027. The poster says they are not an astronomer and stresses this is a candidate, not a confirmed planet, and that official CTOI listing would require a peer-reviewed paper. They describe using Fable 5.1 to plan, Opus 5.5 to run the full analysis, and Fable again for an independent check.

   r/ClaudeAI · 🔥 2

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