Gerard K. O'Neill Science December 5, 1975 - PLUS!

December 5th 1975 Science GKON Cover	1
Space Colonies and Energy Supply to the Earth by Gerard K. O'Neill	2
Energy Needs	2
Environmental Effects	2
Economic Factors	3
Earth-Launched Power Satellites	3
Launch Vehicles	3
Power Plant Economics	3
The Space Manufacturing Alternative	4
Summary	6
References and Notes	6
December 10th 1975 O'Neill Graphics Notes. On extending the factual usefulness of the Science cover art	7
O'Neill Mailto of the Graphics Notes	8
December 16th 1975 Graphics Notes Supplementary Memo	9
Technical Diagram	10

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