Thursday, January 31, 2013
February 15th ... don't you worry 'bout a thing!
by Clifford F. Thies On February 15th, a meteor half the size of a football field will wiz past Planet Earth, in the closest ever pass-by of something its size since they started recording such things. It was discovered one year ago AFTER it had already flew past our planet, 1.6 million miles at its closest. Since then, calculations of its orbit have been re-worked several times. On January 9th, it was estimated to come as close as 21,000 miles to our planet. Or, to be precise, from 21,100 to 21,300 miles. The most recent estimate is 17,400 miles. So much for 21,100 to 21,300! But, not to worry, they're pretty sure of their latest calculation, and tell us there's nothing to worry about. Not that we doubt them or anything, but - just hypothetically - what would happen if a meteor half the size of a football field were to hit the planet? The image shows "Meteor Crater" (crazy name, ugh?) out in Arizona. See that curved line leading to the little rectangles. That's a two-lane highway leading to the visitor center. It was formed by a meteor half the size of a football field. And, how big was the explosion upon impact. They say it was 10 megatons. That's the size of an H-bomb. So, what's there to worry about! It's not as if you can do anything about it.