NASA is preparing for 7 minutes of absolute terror

NASA's Mars 2020 mission is closing in on its landing date, which is expected to be just a few weeks away. The mission, which includes the Perseverance rover as well as the Mars Ingenuity helicopter, depends on a successful landing that is largely out of NASA's hands at the moment. The landing sequence is mostly automated, so NASA engineers can do little but sit back and hope for the best. When NASA launched its Mars 2020 mission last year it was the end of one chapter and the beginning of anoth...