Tech
Nuclear-powered spaceships
Publication: MIT Technology Review
Author: Robin George Andrews
Source published: 21/10/2026, 09:00:00 UTC
Briefing created: 21/10/2026, 09:37:11 UTC
Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 21/10/2026, 09:05:24 UTC.
Briefings
NASA announced plans to build Space Reactor-1 Freedom, the first nuclear-powered interplanetary spacecraft, scheduled for an uncrewed Mars mission by late 2028. The spacecraft uses nuclear electric propulsion to generate thrust via ionized gas, with a planned uranium reactor capacity of at least 20 kilowatts. This represents a significant shift from previous canceled programs, with experts viewing the technology as technically feasible despite high costs and safety challenges. The Artemis program timeline may drive the development, though the specific launch date remains uncertain.
Key points
- NASA plans to launch Space Reactor-1 Freedom in late 2028 for an uncrewed Mars mission using nuclear electric propulsion.
- The spacecraft features a uranium reactor with a capacity of at least 20 kilowatts housed in a fletched arrow-shaped design.
Context
The article discusses NASA's Space Reactor-1 Freedom program, which aims to develop nuclear electric propulsion for interplanetary travel. It contrasts this with previous canceled programs like DRACO and notes the potential influence of China and Russia's space ambitions on the timeline.
Limitations
The article provides a high-level overview of the program but lacks specific details on the current development status, exact budget figures, or the specific timeline for the lunar reactor project.
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