$10B is enough to send over 100 astronauts to Mars for multi year stays. I’m guessing the science they produce will be much more actionable in the short run, a

$10B is enough to send over 100 astronauts to Mars for multi year stays. I’m guessing the science they produce will be much more actionable in the short run, and the reusable, orbital refuelable space ship used to transport them to Mars will also cut the cost of launching space telescopes by ten times.