LightSail 2 Unfurls, Takes Next Step Toward Space Travel by Solar Sail: https://www.nytimes.com/2019/07/23/science/lightsail-solar-sail.html. The Planetary Society crowd-funded and deployed LightSail 2 on a SpaceX Falcon 9 rocket, aiming to further demonstrate the potential of the technology for space propulsion.

“The ability to sail across the cosmos, powered by the energy of the sun, is finally becoming a reality.

Engineers in California pressed a button on Tuesday that unfurled the sails on a satellite that can be steered around Earth, advancing long held hopes for an inexhaustible form of spaceflight and expanding the possibilities for navigating the voids between worlds.”

Originally posted on Twitter.