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|  |  |  |  | | Article Images |  | Oggetto da osservare
 | Meteorological satellite network: as at March 2002 the WMO community can rely on data from four polar orbiting and five geostationary satellites. Image: WMO
Credits: WMO |  |  |  |  |
| | |  | On the upper left image, the satellite is placed on an orbit relatively far from the Earth (± 36 000 km). This is why it is
possible to see the "whole" planet.
Credits: ESA |  |  |  |  |
| | |  | On this figure, the satellite orbit is much closer to the Earth (± 800 km). Each square (black and red) represents one image. When several images are joined to each other to form a bigger image, scientists talk about a 'mosaic' being created.
Credits: ESA |  |  |  |  |
| | |  | West London TM image.
Credits: Window on the UK 2000 |  |  |  |  |
| | |  | West London aerial map.
Credits: Window on the UK 2000 |  |  |  |  |
| | |  | Ozone hole over the South Pole during September 2001 taken by GOME. Image: KNMI, The Netherlands
Credits: KNMI, The Netherlands |  |  |  |  |
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|  | Elementi di telerilevamento Le piattaformeI sensoriLe informazioni contenute in un’immagine
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