Universe Today Podcast

Episode 540: Planetary Society Deploys LightSail 2’s Solar Sail. What Does The Future Hold For Solar Sails?

July 26th, 2019  •  10 mins 47 secs  •  Download (9.88 MB)  •  Link with Timestamp

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Where you can travel in space depends on how much propellant you’ve got on board your rocket and how efficiently you can use it. But there’s a source of free propellant right here in the Solar System - the Sun - which is streaming out photons in all directions. You just need to catch them.

And right now, the Planetary Society’s new LightSail 2 spacecraft is testing out just how well it’ll work.