New Nuclear Rocket Design to Send Missions to Mars in Just 45 Days universetoday storybywill
. Project Prometheus . Both systems have considerable advantages over conventional chemical propulsion, including a higher specific impulse rating, fuel efficiency, and virtually unlimited energy density., meaning they can maintain thrust for close to three hours, the thrust level is quite low compared to conventional rockets and NTP.
This is why proposals that include both propulsion methods are favored, as they would combine the advantages of both. Gosse’s proposal calls for a bimodal design based on a solid core NERVA reactor that would provide a specific impulse of 900 seconds, twice the current performance of chemical rockets.
Based on conventional propulsion technology, a crewed mission to Mars could last up to three years. These missions would launch every 26 months when Earth and Mars are at their closest and would spend a minimum of six to nine months in transit. A transit of 45 days would reduce the overall mission time to months instead of years.
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