Detailed text transcripts for TV channel - CNN - 20190719:11:56:00
The risk is the journey to get there and the time we have to spend there because over dynamic we can't come back in a few days. we have to spend about a year, year and a half there, and we've taken all this risk with the hardware not working. and you can go there with the confidence of hey, our hatches are going to work and we can still do exploration of the red planet. as a scientific and historical record of what happened in the solar system because we haven't had those erosion and changes in the moon. it's sitting there in the same place over time. along with the fact there's water. tons an...