Using the sun as a gravitational lens is our current best option for interstellar communications, presuming we settled a planet within a hundred light years: h

Using the sun as a gravitational lens is our current best option for interstellar communications, presuming we settled a planet within a hundred light years: https://www.centauri-dreams.org/2009/11/06/the-gravitational-lens-and-communications/ https://www.centauri-dreams.org/2009/11/06/the-gravitational...