2021-05-24
SAN ANTONIO — May 24, 2021 — On May 20, 2021, the Polarimeter to UNify the Corona and Heliosphere (PUNCH) mission
achieved an important milestone, passing NASA’s Preliminary Design Review (PDR) of its spacecraft and payload experiments.
Southwest Research Institute is leading PUNCH, a NASA Small Explorer (SMEX) mission that will integrate understanding
of the Sun’s corona, the outer atmosphere visible during total solar eclipses, with the “solar wind” that fills the solar
system.