potentially hazardous object

English

potentially hazardous object (plural potentially hazardous objects)

(astronomy) A near-Earth asteroid or comet with an orbit such that it has the potential to make close approaches to the Earth and is of a size large enough to cause significant regional damage in the event of impact.

单词	potentially hazardous object
释义	potentially hazardous object English Noun potentially hazardous object (plural potentially hazardous objects) (astronomy) A near-Earth asteroid or comet with an orbit such that it has the potential to make close approaches to the Earth and is of a size large enough to cause significant regional damage in the event of impact.
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