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A satellite takes a picture by capturing light reflecting off Earth's surface with its onboard camera(s). The satellite's imaging system converts the light into digital data that is transmitted back to Earth for processing and analysis.
This system is a synthetic aperture radar (SAR) system, which uses radar to transmit electromagnetic waves towards the Earth's surface and then measures the energy reflected back to create high-resolution images. SAR is commonly used in satellite imaging for various applications such as mapping, monitoring natural disasters, and observing changes in the environment over time.
The smallest space satellite is a CubeSat, measuring about 10 cm x 10 cm x 10 cm (1U) and weighing around 1.33 kg. These tiny satellites have been used in various space missions for research, imaging, and communication purposes.
The angle of the satellite period, depends on where the satellite is positioned. When you figure out where the satellite is you position the angle to be where and what you need.
une parabole, une antenne satellite