Join Donate

John Pearl

John Pearl

John Pearl

Dr. John C. Pearl is an emeritus scientist at NASA Goddard Space Flight Center. He has been a co-investigator on a number of planetary instruments, including the infrared spectroscopy experiments aboard Cassini, Voyager, and Mariner 9, and the thermal emission spectroscopy (TES) instrument aboard Mars Global Surveyor.

astronaut on Phobos
Let's Change the World

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

Join Today

Mars
Advocacy

Our Advocacy Program provides each Society member a voice in the process. Funding is crucial.

Donate

You are here: