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There are some latency involved when it comes to interplanetary exploration, not to mention communication between planets. That alone gives human exploration a certain advantage in some cases.

I suspect the majority of future exploration will stay robotic though. There are going to be some high-profile missions, but once we start looking more at asteroids and other targets far out in the solar system, then robots will continue to do the bulk of the work.

As far as I am concerned, the major breakthrough here is the reusability that SpaceX is bringing into the table. If we can lower prices of sending stuff to outer space, then we'll be able to do so much more with current space exploration budgets.