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- Cest 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 planète Terre Mais par exemple, Mars en possède 2 et Jupiter plus de 60 !
- Communications Satellites - National Air and Space Museum
Learn about how a communications satellite works and how it helps us to connect to each other around the world
- Quelle est la différence entre une étoile et une planète
On l’appelle « l’étoile » du Berger, mais Vénus est une planète Elle est très lumineuse : quand la nuit tombe et qu’elle est visible au-dessus de l’horizon, Vénus brille plus que toutes les étoiles ! Comme elle est près du Soleil, elle reflète beaucoup sa lumière Cette planète fait partie de notre Système solaire La preuve ? Au fil des nuits, elle se déplace lentement
- Telstar - National Air and Space Museum
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
- Jupiter - National Air and Space Museum
A natural satellite is a naturally occurring object that is in orbit around an object in space of a larger size Earth's natural satellite is the Moon, but many objects in our Solar System have multiple natural satellites
- Ozone Hole Diagram - National Air and Space Museum
This diagram shows the increase in size over time of the hole in the ozone layer The “ozone hole” is a region in the atmosphere where the ozone level is dangerously low But in images generated from satellite data, a low-ozone area looks like a hole The ozone hole over Antarctica changes through the season It grows in July as winter begins and reaches its maximum annual size in late
- Sputnik and the Space Age - National Air and Space Museum
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
- Explorer - National Air and Space Museum
The satellite is displayed in the Milestones of Flight Gallery at NASM Explorer-1 was the United States' first successful orbiting satellite Following the failure of Vanguard in December 1957, the JPL- ABMA group was permitted to adapt the Jupiter-C reentry test vehicle to carry an instrumented satellite into earth orbit
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