Timing Is Everything

Deputy Systems Engineer Phil Luers explains how ICESat-2’s ATLAS instrument transmitter and receiver subsystems come together to calculate the timing of photons, which, in turn, measure the elevation of ice.

Credits: Ryan Fitzgibbons; "Electric Works" by Philippe Lhommet, Koka Media; "From Source to Sea" by Christophe Lebled, Pierre Jacquot, Koka Media

Credit: NASA's Goddard Space Flight Center/Ryan Fitzgibbons