3 ms·How long of a weightlessness period does this entail?by kelseyfrog 5mo agoHow long of a weightlessness period does this entail?nine_k 5mo agoMaybe not complete weightlessness, because at 80-90 km the atmospheric drag is still noticeable. But it should be enough of a unique experience.rbanffy 5mo agoI would say windows would be a non negotiable design requirement, as well as external HDR cameras for the middle seats.