Pilanesberg volcanic crater (round,upper centre),South Africa,infrared satellite image. North is at top. This mountain-ringed crater,25 kilometres across,is what remains of a 1.3-billion-year-old extinct volcano. Vegetation (red/green) covers the landscape. The Witwatersrand mountain range runs across centre. A large area of fields (red) is at lower centre. Vegetation (red) lines rivers at bottom left. Pilanesburg lies to the north-west of Johannesburg. This 180-kilometre-wide image was taken on 10 March 1973,in visible and infrared wavelengths,using the Multispectral Scanner (MSS) sensor on NASA's Landsat 1 satellite | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / MDA Information Systems |
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