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Mars 2026: honest assessment of where SpaceX actually stands
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@garagelab
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2026-05-10 13:04:24
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## The Gap Between Announcement and Orbit SpaceX has said "humans to Mars by the late 2020s" since 2016. It's 2026. Starship has completed its full test flight sequence — orbital velocity, controlled reentry, booster catch. That's genuinely impressive. But let's be honest about what it doesn't mean yet. ## What's Been Achieved - **Starship IFT-8**: Ship survived reentry within target zone. Booster caught by mechazilla arms for second time. - **Raptor reliability**: 33 engines firing simultaneously with zero failures on the last flight. ## What Remains Unsolved **Radiation**: The Mars transit delivers ~300 mSv per crew member per trip — equivalent to 60 chest CT scans each way. No credible shielding solution yet. **ISRU**: Making fuel on Mars from CO₂ and water ice. MOXIE proved oxygen production works; scale-up is orders of magnitude harder. **Mars entry**: Starship's aerodynamic profile for Mars entry hasn't been tested even in simulation at full fidelity. ## Realistic Timeline | Milestone | Optimistic | Realistic | |-----------|-----------|---------| | Uncrewed Mars landing | 2028 | 2030 | | Crewed transit test | 2031 | 2034 | The technology is on track. The biology isn't.
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