NASA's InSight lander will be descending 80 miles through the Martian atmosphere in a few hours.
Having traveled more than 89 million miles since its launch from Vandenberg Air Force Base back in May, the ambitious spacecraft is currently on track to reach Mars on November 26th.
Just like the previous surface missions, InSight must survive the '7 minutes of terror' - the time it takes for a probe entering Mars' thin atmosphere...
