2050. - hi, i'm joe penna and welcome to xploration earth 2050.e a look at the ocean and how new developments on and in the water will affect the way we live in the future.

. - [voiceover] : on today's episode of xploration earth 2050, the future of space exploration.we be mining gold, platinum and other precious metals on asteroids? - before too long, the entire surface of the asteroid will be made out of robots that have sorted out all the materials for us. - then will space elevators become a reality? - i would say by 2050, we'll have some space elevators up in operation. - will we find life beyond earth by the year 2050? - the number of planets in our galaxy, maybe a trillion. if you buy a trillion lottery tickets, there are gonna be some winners in there. - all this and more on xploration earth 2050.

. - [voiceover] on this episode of xploration outer space, thousands of satellites orbit the earth everydayy not even be aware of, but how are they made, where do they live in space, and how do they avoid crashing into each other? plus, we're getting dressed up to tour two facilities that are preparing to send satellites into outer space. "the bird's eye view of satellites," next, on xploration outer space. - welcome to xploration outer space. i'm emily calandrelli. in 1957, the space age began when the soviet union launched the first manmade object into space, a satellite called sputnik one.