The Promise and the Challenge of Space Solar Power in the 21st Century: Picking up the Gauntlet

Details The Promise and the Challenge of Space Solar Power in the 21st Century: Picking up the Gauntlet The Promise and the Challenge of Space Solar Power in the 21st Century: Picking up the Gauntlet

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.732m&link_type=abstract

IAF abstracts, 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA.,

Mathematics

Logic

Scientific paper

The history of human civilization is a history of great infrastructure. Chief among these developments have been advances in power, transport, and communications. Without dramatic and steady advances in these critical systems during the past two hundred years-- especially in the available sources of power--the world would be a drastically poorer and harsher home for humanity. At the same time, through the global use of existing energy technologies humanity is rapidly consuming irreplaceable fossil resources as well as changing the environment and the climate for the world itself. Both must raise concerns about the long-term sustainability of the infrastructures that have enabled our world. The importance of abundant and affordable energy in space exploration and development is equally clear. Current missions of exploration and scientific discovery are narrowly constrained by a lack of energy. Future, even more ambitious missions will never be realized without new, reliable and less expensive sources of energy. Even more, the potential emergence of new space industries such as space tourism, manufacturing in space, solar power satellites (SPS) and others, will depend on advances in space power systems just as much as they will on progress in space transportation. Recent studies and technological advances suggest that large-scale space solar power (SSP) systems may enable progress in both arenas during the next several decades. Of course, there are tremendous engineering and technological barriers that must be surmounted to someday make large SSP systems possible. Diverse areas of technology must be advanced. Some of these include space transportation, solar power generation, wireless power transmission, robotics, structural concepts and materials, and others. Nevertheless, there are potential benefits in the offing that seem to many to make challenging even these daunting technical barriers worthwhile--and perhaps essential. Unfortunately, the political and programmatic hurdles faced by SSP often seem even greater than the technical difficulties to be faced. The great engineering and technologies projects of the past century provide important lessons--both good and bad-- that bear directly on this challenge. The Peter Glaser Lecture for 2002 will examine from a strategic perspective the challenge and the promise of space solar power, and--in the context of historical examples--suggest directions to advance this vision of almost limitless, clean energy in space and from space for the Earth.

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