A near Earth object (NEO) larger than 6km across, which could cause mass extinction, collides with Earth every 100 million years or so. Experts at the Planetary Defense Conference are reported agreeing that we are overdue for a big one.
So, if it's one, two or five million years late there's not too much to worry about then...
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Hey, I just wanted you to know that I created a link to your blog. I write a blog on buddhism, culture, and life and am interested in the way that environmental concerns play into these things. Thanks for the work you do.
-Phantom City blog
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