Links to interesting space information
Sputnik 1 First man made satellite (1957-10-04)
United Nations : Committee on the Peaceful Uses of Outer Space
Outer Space Treaty
Centre National Des Études Spatiales
NASA
Canada Space Agency - not much information
ONERA The French Aerospace Lav
Kessler effect 1978 theory of low orbit junk collision causing cascade effects
MEDUSA Mechanism for Entrapment of Debris Using Shape memory Alloy
Projets Compétitifs Retrait de Débris Spaciaux
National Geographics Space Debris
TOP 50 Space Debris 2021 french
One Web - 500 Satelites on orbit
Space X - High-speed, low-latency broadband internet
Geostationary Earth orbit : 35,786 km away from earth, 75 km between satelites
Medium Earth orbits : Located between 2,000 km and 35,786 km
Low Earth orbits : Loacted under 2,000 km (at least 11.25 orbits per day)