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"What ceramics have the property of emitting infrared rays (wave length) when it was warmed?"
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  1. Question

    Can a moon have its own satellites?

    Yes probably -- depending on the moon's orbit. If the Moon is far distant from the planet, then a satellite orbit could be stable. But I do not know of any such case discovered so far. David Morrison
    NAI Senior Scientist

    December 5, 2005