Join Donate

William Blume

William Blume

William Blume retired from the Caltech/NASA Jet Propulsion Laboratory after 38 years of work in mission design and systems engineering.

Latest Blog Posts

Remembering planetary scientist Michael A’Hearn

June 07, 2017

Planetary scientist Michael A’Hearn passed away on Monday, May 29, leaving a remarkable legacy in cometary science—but even more importantly in the careers of many younger scientists who flourished with his encouragement and mentorship.

Bill Nye and people
Let's Change the World

Become a member of The Planetary Society and together we will create the future of space exploration.

Join Today

The Planetary Fund

Help advance robotic and human space exploration, defend our planet, and search for life.


You are here: