The Planetary Society's LightSail, funded in part by a Kickstarter campaign, will aim to demonstrate that controlled solar sailing is possible. The Planetary Society's LightSail, funded in part by a Kickstarter campaign, will aim to demonstrate that controlled solar sailing is possible. The Planetary Society's LightSail, funded in part by a Kickstarter campaign, will aim to demonstrate that controlled solar sailing is possible. When it comes to incredible science, 2015 will be hard to top. Among a number of notable events, we got our first, thrilling look at Pluto, found evidence that liquid water still flows on Mars and began facing the reality that human gene editing is closer than ever thanks to the CRISPR system.