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LightSail

Flight by light for CubeSats

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LightSail-1 has a launch date! The Planetary Society's solar sailing spacecraft is scheduled to launch aboard the SpaceX Falcon Heavy in April 2016. 

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Josh Spradling / The Planetary Society

LightSail-1 Mission Trailer

CubeSats are tiny, low-cost satellites that have opened up new avenues of space research for universities and small organizations.

In order for CubeSat applications to reach the next level, the miniature satellites need a reliable form of propulsion for orbital maneuvers and trips beyond our planet. This is where solar sailing—transferring the momentum of photons to a large reflective sail—comes in. The technology was successfully used by Japan’s IKAROS mission in 2010, and NASA’s NanoSail-D test-deployed a CubeSat solar sail in Earth orbit later that year.

In 2016, The Planetary Society’s LightSail program will take the technology a step further. LightSail-1 will attempt to demonstrate controlled solar sailing—flight by light—for CubeSats.

Project updates

Selfies, messages and names delivered for LightSail 2 flight

Posted by Jason Davis on 2016/03/29 06:34 CDT

A miniature DVD containing images of space fans and names of Planetary Society members and supporters is ready to fly in space.

Read More »

Rulers in space! LightSail 2 equipped with boom fiducials

Posted by Jason Davis on 2016/03/14 06:01 CDT | 2 comments

How will we tell if LightSail 2's booms are fully deployed? With fiducials—visual reference guides that feature our signature Planetary Society logo.

Read More »

Meet LightSail 2, The Planetary Society's new solar sailing CubeSat

Posted by Jason Davis on 2016/02/29 06:35 CST | 1 comment

The Planetary Society's solar sailing CubeSat has a new designation: LightSail 2. To celebrate the name change, we're releasing a new video showing footage from a late January sail deployment at Cal Poly San Luis Obispo.

Read More »

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