Just as interesting is a recent news story about a plan to build an interstellar space ship, propelled by giant solar sails to travel about .2c (20% of the spee

Just as interesting is a recent news story about a plan to build an interstellar space ship, propelled by giant solar sails to travel about .2c (20% of the speed of light). In other words, we could get to the Trappist-1 star system in about 145 years.. practically in the blink of an eye. https://www.gizmodo.com.au/2017/02/how-an-interstellar-starship-could-actually-explore-alpha-centauri/ https://www.gizmodo.com.au/2017/02/how-an-interstellar-stars...