Shamrock Rover
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It's quite problematic to write an article about wormholes and interstellar travel, but almost everyone knows about traveling between worlds through portals.
It's all relative. For some, it's problematic, for others, maybe not. Traveling between worlds? Exactly, almost everyone knows about it. And in that case, the clue would be super easy. Would Arandor really give such an easy clue? I don't think so.