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 to calculate how much of Mars was covered during the giant 2018 dust storm. Materials Pi in the Sky 6: Deadly Dust worksheet – Download PDF Pi in the Sky 6 answer key – Download PDF Background In late spring of 2018, a dust storm beg