A small asteroid whizzed between the Earth and Moon this morning, which is a very near miss by cosmic standards. It missed the planet by 80,000 miles, which is about a third of the Earth-Moon distance. At about 36 feet long, this one was not a threat to the planet, but it could've caused a local disaster.
This incident is yet one more reminder that we need to pay attention to the possibility of such collisions and develop a defensive system which will allow us to deflect dangerous bodies before they hit. While governments around the world are laying out billions or trillions of dollars to bring the worldwide economy back, maybe a few million should be put towards planetary defense.
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