Join Donate

Alan Harris

Use when no other thumbnail exists

Alan Harris

Latest Planetary Radio Appearance

Defending Earth From Asteroids

March 15, 2004 • 0:28:36

Defending Earth From Asteroids

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

LightSail
LightSail 2

LightSail 2 launched aboard the SpaceX Falcon Heavy. Be part of this epic point in space exploration history!

Donate

You are here: