Satellite Tracking Will Soon Replace Every Motorway Toll Payment

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 created artificial …

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 de notre …

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

Satellite tracking will soon replace every motorway toll payment 3

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 through a …

A young male manta ray with a satellite tag in southern Florida. The tag is attached in a safe manner, so as not to hurt the animal or reduce its ability to swim. Image courtesy of NOAA. From …

Quand nous regardons la Lune, elle nous présente toujours la même face. Grâce aux sondes lunaires, on a pu avoir des images de la face cachée de notre satellite naturel. Cette face est beaucoup plus …

Satellite tracking will soon replace every motorway toll payment 7

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 !

Satellite tracking will soon replace every motorway toll payment 8

The bullet-shaped satellite payload, about 6.5 inches in diameter and 3 feet long, carried three micrometeorite detectors (a microphone, a wire grid, and metallic film), temperature sensors, …