Space geodesy
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Space geodesy is the branch of geodesy that uses observations of objects or signals external to the Earth to measure the Earth's shape, gravity field, rotation, and position in space.[1] Its principal techniques include artificial satellites (in satellite geodesy) but also quasars (in very-long-baseline interferometry, VLBI), visible stars (in stellar triangulation), and the retroreflectors on the Moon (in lunar laser ranging, LLR).
See also
[edit]References
[edit]- ↑ Rummel, R. (2008). "The Interdisciplinary Role of Space Geodesy – Revisited". Journal of Geodynamics. doi:10.1016/j.jog.2009.10.006.
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