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U.S. withdrawal from WHO and aid programs: implications and opportunities for Africa's global health security. [PDF]

open access: yesGlobal Health
Nwofe JO   +12 more
europepmc   +1 more source

Space-Based Space Surveillance with the Space-Based Visible

Journal of Guidance, Control, and Dynamics, 2000
Space surveillance is the activity of keeping a current catalog of information on manufactured, Earth-bound resident space objects. Some necessary functions to perform this task are search and detection, acquisition and tracking, tasking and scheduling, and data reduction and processing.
E. Michael Gaposchkin   +2 more
exaly   +2 more sources

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