For anyone curious in gaining a more intuitive understanding of this good answer, I highly recommend playing a few hours of Kerbal Space Program. Hitting the

For anyone curious in gaining a more intuitive understanding of this good answer, I highly recommend playing a few hours of Kerbal Space Program. Hitting the sun is both hard and expensive: things in orbit want to stay in orbit, so it takes a lot of energy to change orbits. (And you're likely to have a few rockets explode within the atmosphere as you attempt)