A deep-learning model finds evidence of a stable Martian ocean

Claim

A custom deep-learning model spotted a manganese bathtub ring around Utopia Planitia, evidence that a stable ocean once lingered on Hesperian Mars and a hint at how astronauts might make oxygen.

Reporting date: 2026-06-01 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

• Welcome to June 1, 2026 (theinnermostloop.substack.com)