I've run into a few hoax believers who held to the idea of the Van Allen belts as an impenatrable barrier; for those, Voyager, or Spirit and Opportunity, are as impossible as Apollo 11. A strain of belief a little closer to the hoax believer mainstream is that this sinister barrier only kills humans; automated spacecraft are still free to go. Of course, in all flavors of this belief, the Van Allen belts are some convenient distance away where ordinary shuttle flights and communications satellites are not endangered.

On the other hand, there's some like our old friend Interdimensional Warrior, with his remarkable idea that rockets melt....

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"You keep using that word. I do not think it means what you think it means."