• ‘Oumuamua, Thin Films and Lightsails https://www.centauri-dreams.org/2018/10/29/on-oumuamua-thin-films-and-lightsails/ 104 comments 30/10/2018

• ‘Oumuamua, Thin Films and Lightsails - Could ‘Oumuamua be debris from a technological civilization, a discarded lightsail? https://www.centauri-dreams.org/2018/10/29/on-oumuamua-thin-films-and-lightsails/ 6 comments 30/10/2018 space