Drones stratosphériques HAPS, Internet et la 5G
HAPS : High Altitude Pseudo Satellite The solar-powered HAWK30 has a wingspan of approximately 79m (260ft), is propelled by 10 electric motors and carries lithium ion batteries. It has a cruise speed of 59kt (110km/h). The unmanned air vehicle (UAV) is designed to carry cellular network transmitting equipment aloft…
Les constellations Internet en orbite basse
Source : Les Echos du 16-05-2019…
Imagerie satellite à vendre
Source: Les Echos…
Ariane 6
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Falcon Heavy de SpaceX
http://www.air-cosmos.com/carton-plein-pour-le-falcon-heavy-de-spacex-122635…
Trou noir
En savoir plus https://fr.wikipedia.org/wiki/Trou_noir_supermassif https://www.futura-sciences.com/sciences/actualites/univers-premiere-image-trou-noir-supermassif-commentaires-aurelien-barrau-51210/…
Stratolaunch : premier vol
In partnership with Scaled Composites, Stratolaunch successfully completed the first flight of the Stratolaunch aircraft. As part of this initial flight of the world’s largest aircraft, the pilots evaluated aircraft performance and handling qualities of the all-composite, duel-fuselage design. The airplane took off at 0658 PDT on April…
One Web: un connexion Internet généralisée
Source: Les Echos…