The "Pi in the Sky" math challenge gives students a chance to take part in recent discoveries and upcoming celestial events, all while using math and pi just like NASA scientists and engineers. In this problem from the set, students use the mathematical constant pi and data from NASA spacecraft to determine the percentage by which Jupiter's Great Red Spot shrank between 1979 and 2018. Materials Pi in the Sky 6: Storm Spotter worksheet – Download PDF Pi in the Sky 6 answer key – Download PDF Bac