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Comets at radio wavelengths
Bockelée-Morvan, Dominique; Biver, Nicolas; Crovisier, Jacques +1 more
Comets are considered as the most primitive objects in the Solar System. Their composition provides information on the composition of the primitive solar nebula, 4.6 Gyr ago. The radio domain is a privileged tool to study the composition of cometary ices. Observations of the OH radical at 18 cm wavelength allow us to measure the water production r…
A variety of radars designed to explore the hidden structures and properties of the Solar System's planets and bodies
Ciarletti, Valérie
Since the very first observations of the Moon from the Earth with radar in 1946, radars are more and more frequently selected to be part of the payload of exploration missions in the Solar System. They are, in fact, able to collect information on the surface structure of bodies or planets hidden by opaque atmospheres, to probe the planet subsurfac…