Randall Munroe of xkcd (all hail!) tackles another hypothetical question, and applies SCIENCE and some thought experiments to come up with an answer.
Supposing you did Drain the Oceans, and dumped the water on top of the Curiosity rover, how would Mars change as the water accumulated?
Last time he discussed draining the oceans, a plug was pulled at the bottom of the Mariana Trench. tl;dr the Netherlands took over the world. This time the water will be transported to Mars and poured into the Gale Crater. What will that do to the Martian landscape?
Read the full article here.