How is sending people to Mars remotely legal? The astronauts undergoing this "mission" have virtually a 100% chance of dying and never making it back. How is a

How is sending people to Mars remotely legal? The astronauts undergoing this "mission" have virtually a 100% chance of dying and never making it back. How is a heart transplant remotely legal? The patient undergoing this "surgery" has virtually a 100% chance of dying and never waking up. How is crossing the Atlantic remotely legal? The crew undergoing this "voyage" have virtually a 100% chance of dying and never making it back. There's a lot of things that we as humans do to push the frontier of societal knowledge with the understanding that the first to venture into the unknown may well not make it back. It's (to me) a fascinating crossover between living as an discrete individual and living as an integral part of a higher collective. It's inevitable that as we progress, we'll continue to seek out those who through their specific circumstances are willing to risk that sacrifice to help the "greater good". As the article says, informed consent plays a significant part of making this more acceptable.