"The moon wears this hazy veil thanks to the comet dust that speckles the solar system. When a bit of dust from a comet's tail slams into the moon, the collision kicks up thousands of particles of moon dust, which are carried high above their resting place on the lunar surface, Horanyi says."I'll bet it's a magnetic belt.
Article calls comet 67p a space rock with a rocky surface.
Self-driving cars can be hacked to kill people.
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