June 1, 2017 @ 5:30 pm. HAL5 and USSRC joint Pass the Torch event with Dr. Martin C. Weisskopf, NASA/MSFC Chief Scientist for X-Ray Astronomy on "The Imaging X-Ray Polarimetry Explorer (IXPE): An Overview of the Mission and its Science". Location: USSRC Davidson Center National Geographic Theater. The IXPE will be the next in the line of NASA’s Small Explorer Missions. The mission allows, for the first time imaging X-ray polarimetry with sufficient sensitivity to study ... [ Learn More ]