Can you use π (pi) to solve these stellar math problems faced by NASA scientists and engineers?

Download the posters: Planet Pi  |  Pi in the Sky  |  Pi in the Sky2  |  Pi in the Sky3

Hazy Halo - Titan Pi in the Sky Pi Day Challenge

Round Recon - Mars Reconnaissance Orbiter Pi in the Sky Pi Day Challenge

Sun Screen - Transit of Mercury Pi in the Sky Pi Day Challenge

Gravity Grab - Juno Orbit Insertion at Jupiter Pi in the Sky Pi Day Challenge

Mars Marathon - Mars Exploration Rover Opportunity Pi in the Sky Pi Day Challenge

Pixel Puzzler - Dawn at Ceres Pi in the Sky Pi Day Challenge

Frozen Formula - Europa Pi in the Sky Pi Day Challenge

Hear Here - Voyager Deep Space Network Pi in the Sky Pi Day Challenge

Satellite Solver - SMAP Earth satellite Pi in the Sky Pi Day Challenge

Rolling Riddle - Curiosity Mars Rover Pi in the Sky Pi Day Challenge

Jupiter Jockey - Juno at Jupiter Pi in the Sky Pi Day Challenge

Flying Formula - Cassini at Saturn Pi in the Sky Pi Day Challenge