# Mars Didnt Have Bathtubs, It Had Shelves

- slug: mars-didnt-have-bathtubs-it-had-shelves
- date: 2026-04-22
- category: Space & Aerospace

A rover lands on Mars in 2030 to test a 70-year theory about an ancient ocean. The theory already has a name: the continental shelf hypothesis. The test is whether the rock below matches.

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