Detailed text transcripts for TV channel - CNN - 20181020:16:51:00
There. we have to mix different techniques to actually slow down the spacecraft so it doesn't start falling to the sun. >> reporter: the spacecraft is designed to withstand the sun's high temperatures as well as its gravitational pull. it has to circle the earth once, venus twice and mercury itself six times. >> the first hour, the spacecraft has to be able to deploy solar panels, get energy from the sun and leave on its own without the batteries. then we take over control and we slowly configure it for the very long cruise phase we need to reach mercury. >> reporter: this joint venture betwee...