They took the solar sail idea from Project breakthrough and turned it into a sphere to make it irrelevant if it starts spinning. 200 years to get to Alpha Centa

They took the solar sail idea from Project breakthrough and turned it into a sphere to make it irrelevant if it starts spinning. 200 years to get to Alpha Centauri. I hope to be alive when a first generation interstellar probe manages to catch up with Oumuamua, the first mysterious interstellar object detected hurtling across our solar system.