I have some bad news, fellow Earthlings: There is a newly discovered asteroid, called 2024 YR4, headed for our planet. Fortunately, the risk is neither great nor urgent. The chance of impact, which would happen on Dec. 22, 2032, is estimated at only about 2.3%.
The worst-case scenario, though not world-ending, is still horrific. The asteroid is estimated to be between 130 and 330 feet long, and its impact could devastate a major city or, through a tsunami, coastline. For purposes of contrast, the space object that hit Siberia in 1908 is estimated to have been 130 feet long, and it decimated almost 800 square miles of forest. Furthermore, an asteroid strike today could cause a chemical, gas or nuclear accident…
A possibility of 2.3% is not as low as it might sound at first. The chance of drawing three of a kind in a standard five-card poker game, for example, is a about 2.9%. Three of a kind is hardly an unprecedented event.
That probability number keeps on skipping around, so apologies if that is obsolete by the time you are reading this. Here is the rest of my Bloomberg column. And I thank Alex T. for drawing initial attention to this topic, including my own.
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