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RE: Double 'Extinction Level Event' Near Earth Objects for Halloween
The ones that really concern me are those that do not appear in NASA's NEOs lists. Let's hope they find planet X fast. So we can follow its orbit and see if it sends us objects from the Oort cloud.
Seriously.
10% might not seem like a lot, but I need to find out how many are in the 90% range.
Found it.
There are 1837 known Potentially Hazardous Asteroids.
That means there are at least 183 that they haven't found.
So, since March of THIS year, they added 51 to the list.