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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

Mostly smooth sailing in San Luis Obispo: LightSail 2 completes day-in-the-life test

Posted by Jason Davis on 2016/05/24 02:41 CDT | 7 comments

The Planetary Society's LightSail 2 spacecraft breezed through a major systems test today, demonstrating the CubeSat can successfully deploy its antenna and solar panels, communicate with the ground, and unfurl its 32-square-meter solar sails in space.

Read More »

On LightSail 1 launch anniversary, team prepares successor craft for day-in-the-life test

Posted by Jason Davis on 2016/05/20 06:32 CDT | 1 comment

One year ago today, LightSail 1 rode an Atlas V rocket into space. Now, the program stands on the brink of another major milestone, as engineers prepare for a full systems test of LightSail 2, a successor CubeSat that will attempt the first controlled solar sail flight in low-Earth orbit.

Read More »

Planetary Society solar sails paved way for Alpha Centauri starshot

Posted by Jason Davis on 2016/04/22 06:01 CDT | 4 comments

A new initiative to send a fleet of tiny spacecraft to Alpha Centauri is connected to The Planetary Society through its founders and efforts to advance solar sailing technology.

Read More »

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