voyager 2 enters interstellar space

Voyager 2 reaches interstellar space

Iowa-led instrument detects plasma density jump, confirming spacecraft has entered the realm of the stars
University of Iowa professor Donald Gurnett has been instrumental in building the UI's world-renowned physics and astronomy program. He is chiefly responsible for founding and developing the field of space plasma wave physics.

Legendary UI space physicist retires

Donald Gurnett helped build the UI’s world-renowned physics and astronomy program during 60 years as a student, teacher, and researcher