Six point three billion. Twenty-five point four billion. One hundred sixty billion. No, this is not the money Kanye West will spend to buy Earth. These are the amounts that were allocated for such space projects as Galileo – a global navigation satellite system, a series of the Apollo space projects and the International Space Station. People who have nothing to do with the world of science tend to wonder why such large sums are spent on space and not on the problems existing here on Earth. In turn, private investors don’t see the point in giving money for space missions that won’t recoup their costs. But everything’s going to change now. NASA is preparing to conquer Neptune. This mission can not only compensate three point four billion dollars spent on the flight but also bring a handsome profit. In this video, you’ll find out: how much can a moonstone ring cost? What jewels are so common on Triton that their abundance can be compared to an ocean? And, most importantly, how exactly can Neptune be financially beneficial to Earth?