Pi in the Sky 4
In the fourth installment of the NASA Pi Day Challenge, students use pi to calculate the angle of crater impacts on Mars, measure the size of the shadow that will fall on North America during the 2017 total solar eclipse, determine the orbital period of the Cassini spacecraft during its final weeks around Saturn, and find the habitable zone around TRAPPIST-1, a star that is home to seven Earth-size planets!
› View the standards-aligned lesson
› Take the NASA Pi Day Challenge
› Learn about the science behind the challenge
› View the answer key