ERTS-1, an unmanned observation satellite at an altitude of 900 km, takes pictures of the earth's surface in several frequency bands and relays them to ground by telemetry. Coastal formations are seen to be clearest in the visible spectral ranges, while ground cover is differentiated best in the IR channels. (Author)
Skane from an Altitude of 900 Kilometers
1973
6 pages
Report
Keine Angabe
Englisch
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