Dangerous asteroid discovered by new telescope


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A new survey telescope, designed to scan the entire available sky approximately three times every month, has discovered its first potentially hazardous asteroid (PHO) , 150 feet in diameter and set to speed past the Earth at a distance of 4 million miles in mid-October. Key quote:

Most of the largest PHOs have already been catalogued, but scientists suspect that there are many more under a mile across that have not yet been discovered. These could cause devastation on a regional scale if they ever hit our planet. Such impacts are estimated to occur once every few thousand years.

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