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.

Let's Change the World

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

Join Today

meteor over landscape
The Threat is Real

Working together to fund our Shoemaker NEO Grants for astronomers, you can literally help save the world.


You are here: