April 2024
Unlocking the NewSpace economy through space-based solar power
.... Leading designs for gigawatt-scale power from geosynchronous orbits include SSPS (USA), SPS-ALPHA (USA), MR-SPS (China), Tethered SPS (Japan) and CASSIOPeiA (UK). The physics of wireless power transmission at microwave frequencies also determines...
April 2024
The promise of solar energy for sustainable development and space exploration
...are to be used for the benefit and in the interests of all countries. In the light of Article II of the OST, SPS shall not be undertaken in such a way as to constitute an actual or implied “appropriation” of outer space, including with respect to the...
November 2019
The economic promise of space
... has none of the environmental problems of coal, oil, natural gas or nuclear energy. Moreover, significant investment in SPS will enable in-space manufacturing. To make space industry profitable, cheap energy will be required to power the extraction...
October 2017
Back to the future - heeding the lessons of history
... that could easily have powered the efforts required to build a cislunar infrastructure. Building solar powered satellites (SPS) could not only power our space development projects but also give our terrestrial civilization all...
January 2018
Creating a viable cislunar economy
... and beamed to Earth. One concept for a two giga-watt SSP satellite - called Solar Power Satellite (SPS) Alpha - was developed by John Mankins under contract to NASA. It is a very large object, measuring 3 x 5 km and with a mass...
