Domain

Space-Based Power

Generating power in space and beaming it where it is needed — from the arrays that power a station to the concept of space solar-power satellites that would collect sunlight in orbit and send it to Earth.

In brief

Generating and distributing power in space.

In this domain

Solar Power SatelliteInfrastructure
Concept
A large satellite that collects sunlight in orbit — where the Sun always shines — and beams the energy to receivers on the ground as microwaves. Small-scale power-beaming has been demonstrated; a full system remains a concept.
Surface Fission PowerInfrastructure
In development
Compact nuclear reactors to power a Moon or Mars base through the long lunar night and the dim Martian winter, when solar power is not enough. NASA's KRUSTY test demonstrated the underlying Kilopower reactor technology on the ground.

Knowledge connections

Group includesSolar Power Satellite
Group includesSurface Fission Power

Sources

Facts on this topic will be cited from these primary and reference sources.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

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