Apr 12, 2022 · A satellite is an object that is in orbit around an object in space of a larger size. Things such as the Earth's Moon or Pluto's Charon are natural satellites. Humans have also …

C'est quoi un satellite ? GRANDES QUESTIONS C'est un objet qui tourne autour d'une planète. Il peut tourner autour de la Terre … ou d'une autre planète ! La Lune est le seul satellite naturel …

Learn about how a communications satellite works and how it helps us to connect to each other around the world.

Telstar, launched in 1962, was the first active communications satellite: it received microwave signals from ground stations and retransmitted them across vast distances back to Earth.

This satellite is the heart of a space-based communications system called Iridium. Conceived, designed, and built by Motorola, the Iridium system provides wireless, mobile communications …

Le 4 octobre 1957 marquait le lancement du satellite Spoutnik. Cinquante ans après, l'équipe du planétarium fête l'événement durant quatre séances. 50 ans de l'histoire de la conquête …

Apr 8, 2011 · Most people know that satellites in orbit do useful things such as collect images of the Earth's surface. At the National Air and Space Museum I use satellite images in my job to …

Military reconnaissance is an operation to obtain information relating to the activities, resources, or military forces of a foreign nation or armed group. It uses balloons, aviation, and space …

The Tracking and Data Relay Satellite (TDRS) system, a constellation of three spacecraft placed into geosynchronous orbit beginning in 1983, was designed to replace this expensive, far-flung …

Sep 28, 2023 · Dans les Côtes-d’Armor, le site Météo-France de Lannion reçoit des données satellites du monde entier. Des informations indispensables pour la météo…Mais pas que !