Isn't it? You drive, you burn fuel. You take more fuel with you, it costs more fuel to get going. Some vehicles (spacecraft or car) require more fuel to drive the same distance than others.
Sure, space flights are much, much more expensive, but I don't see how it's so different. If it's not worth it to spend the extra fuel to get there, refuel, and continue to the original destination, then just say so.
Isn't it? You drive, you burn fuel. You take more fuel with you, it costs more fuel to get going. Some vehicles (spacecraft or car) require more fuel to drive the same distance than others.
Sure, space flights are much, much more expensive, but I don't see how it's so different. If it's not worth it to spend the extra fuel to get there, refuel, and continue to the original destination, then just say so.