Some things are hard to calculate in dollars and cents. NASA's space programs definitely fall into this category. The agency has an enormous annual budget, and its portfolio includes powerful spacecraft, telescopes and weather and asteroid forecasting. It's difficult to measure the scientific and material gains born from its basic research that have entered everyday life, such as memory foam, scratch-resistant lenses or home air purifiers. But while the Artemis II mission made history when the Orion capsule carried four astronauts farther away from Earth than  any humans in history , many questioned the cost and overall point of space travel. Artemis II, Orion and $93 billion During its 10-day mission, much attention has focused on Artemis II's onboard toilet. Not only has it malfunctioned, but it also cost a reported $23 million (€19.6 million).…