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- Source: inbox/queue/2026-04-29-gottlieb-2019-space-colonization-existential-risk-pro-mars.md - Domain: space-development - Claims: 0, Entities: 2 - Enrichments: 2 - Extracted by: pipeline ingest (OpenRouter anthropic/claude-sonnet-4.5) Pentagon-Agent: Astra <PIPELINE>
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Ian Stoner
Domain: space-development
Type: person
Role: Philosophy professor
Overview
Ian Stoner is a philosopher who argued against Mars colonization on environmental ethics grounds in his 2017 paper, applying the Principle of Scientific Conservation (PSC) to argue that Mars should remain pristine as a scientifically valuable object.
Key Positions
Anti-Mars colonization argument (2017):
- Applied Principle of Scientific Conservation to Mars
- Argued there are no countervailing considerations that override the PSC obligation
- Compared Mars to the Great Pyramids: studying them for 100+ years doesn't justify converting them to hotels
- Position was later challenged by Gottlieb (2019) on existential risk grounds
Timeline
- 2017 — Published argument against Mars colonization based on Principle of Scientific Conservation
- 2019 — Gottlieb published rebuttal arguing existential risk mitigation overrides PSC concerns