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Sunday, December 19, 2010

Incoming! The Remix


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I can't seem to leave some news stories alone...

Ducks & Shotguns

I have a graduate degree (PhD) in theoretical physics with an emphasis on astrophysics. That does NOT mean that I am a practicing physicist. Nor am I a mechanical or structural or materials engineer. In other words, I do not have the knowledge needed to say outright that these people are wrong.

But...

It doesn't make sense to me, and I can't get the math to work.

Every time I try to make it work, I come up with the same results...

We go from being a duck being shot at by a hunter with a rifle to being shot at with a shotgun. If that is better or not depends on a bunch of factors, but on one in particular...

How big is the incoming rock?

If under about 4 miles or so (maybe up to 5 miles), a bunch of small impacts would be better than one big impact. Well, as long as you're not at ground zero for one of the small impacts. "Small" is a relative thing. Most of them will still take out a city the size of Los Angeles.

If the rock is much bigger than about 6 miles in diameter—about the size of the so-called dinosaur killer at the K-T Event—it looks like we would actually make things worse by breaking it up. See the above duck.

And then, if we are talking about a really big rock, say on the order of 100 miles or so, it doesn't matter.

Bend over, put your head between your knees, and kiss your sweet ass goodbye.

Keep Loving!

Melodee Aaron, Erotica Romance Author
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