Observed arrival · 2026-11-10
Heterotic’s nuclear-rocket moonshot
Heterotic presents a proposed nuclear-fission propulsion venture, beginning with an uncrewed lunar landing-and-return mission, and links to a mission simulator.
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
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- For
- Readers of advanced propulsion and spaceflight concepts
- Worth noticing
- The launch-vehicle concept is marked “not to scale”; its fission stage is described as starting only after separation, high over open ocean.
Field notes
The page lays out a two-stage launch vehicle: a chemical booster handles ascent, while a fission upper stage is described as starting only after separation over open ocean. Its lunar-return comparison gives exhaust speeds of 4.5 km/s for chemical propulsion and 9 km/s for fission, alongside estimated propellant shares of 93% and 73%. Vehicle drawings are explicitly marked as concepts, not to scale.
Observed signals
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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