Communications Satellite, Iridium
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
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Sputnik and the Space Age
Sputnik, the world''s first human-made satellite of the Earth, was launched on October 4, 1957, marking the beginning of the Space Age and the modern world in which we live today.
Echo 1 Communications Satellite
Launched in 1960, Echo 1 was designed to explore the new field of communications via space. Its design was remarkably simple: Essentially a large balloon, measuring 30 meters (100 feet) across,
Satellites
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 ? | Espace des sciences
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
Three Ways Satellites Help Us Understand Our Environment
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.
Communications Satellites
Learn about how a communications satellite works and how it helps us to connect to each other around the world.
Satellite | Espace des sciences
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
The Missing History of the Explorer 1 Satellite
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,