LightSail-A has successfully launched!

Track the Mission

Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty
Use when no other thumbnail exists

David Stevenson

Latest Planetary Radio Appearance

Journey to the Center of the Earth!

05/19/2003 | 0:30:06
Listen

Journey to the Center of the Earth!

More Planetary Radio shows »

Facebook Twitter Email RSS AddThis

LightSail - Kickstarter

Support LightSail!

The excitement is building! LightSail is counting down to our test launch, set for May 20—and you’re invited.

I want to help!

Featured Video

Solar Sailing

Watch Now

Selfies to Space!

Take flight with a selfie on LightSail™ in 2016!

Send a Selfie Now

Join the New Millennium Committee

Let’s invent the future together!

Become a Member

Connect With Us

Facebook! Twitter! Google+ and more…
Continue the conversation with our online community!