and them as military sig, rudolph robertson, both of the big telescopes, so called wings were folded so they can fit into the launch vehicle. there's never been a satellite with so many moving parts, able take 2 weeks to get everything unfolded and in its right position. in that time, nothing can go wrong. 6 months after the launch date, the new telescope should finally be ready to begin studying the secrets of the universe or so. and now let's change perspective and view things from above with drones. these devices have many uses, like, for instance, observing volcanoes. the global drone market has been steadily taking off and the growth promises to keep soaring in the future. science puts drones to good use with collecting environmental data. we made researchers working these flying laboratories, a disused air field in northern germany. far away from residential areas, roads and rail tracks. an ideal proving ground for scientists from brownish bikes. technical university. they're testing drones with a maximum take off weight of 26 kilograms. extensive aerospace safety zones are man