desert that we think can't support life. why did it change from an inhabitable environment to the cold dry place we so today. >> it is crucial knowledge for nasa. in 2030. 15 or 20 years from now. nasa intends to use. and developing the oryan spacecraft for the first human space flight. >> thank you, phil. >> we'll bring you that launch live. nbrand new mission to mars about to it launch from cape canaveral. live on tv, do not miss a minute. clients are always learning more