A few days from now, a SpaceX Falcon Heavy rocket will lift off from Florida, carrying a satellite the size of a loaf of bread with nothing to power it but a huge polyester “solar sail.”
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/2-thisimagerel.jpg)
Source:
https://phys.org/news/2019-06-stars-photons-revolutionize-space-flight.html