C.O.B. Tuesday Special Edition - Perseverance Landing Featuring John Grotzinger

Today we bring you a special edition to lift your spirits and your weekend out of this world! In fact, toward Mars, where the Perseverance rover has made a spectacular landing on the red planet in pursuit of new science. Leading our virtual mission from his post at Caltech is our good friend, John Grotzinger. John is a professor of geology and geobiology, and the division chair for Geological and Planetary Sciences, at that esteemed university. Prior to moving to Caltech in 2005, he sp...