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 helium is being rained out of Jupiter's cloud tops. Materials Pi in the Sky 5: Helium Heist worksheet – Download PDF Pi in the Sky 5 answer key – Download PDF Background Jupiter is our solar system’s largest pl