The meteor explosion over Russia and the unrelated but equally awe-inspiring near miss of the earth by a huge asteroid remind us of the inevitability of space objects colliding with the earth. Disaster movies are a popular genre: one of the favorite video clips in my fifth grade science classroom is one animating the ancient collision between Earth and the planet Thea (but the throbbing, powerful new-age soundtrack clearly contributes to that popularity).
A journalist for the British newspaper The Guardian published a link to a Google map with data for every known meteor strike on Earth, from 2,300 BCE to the present. He erroneously credits the US Meteorological Society for the data…I’m sure it happens all the time. The link actually takes you to the US Meteoritical Society, where I wasn’t able to locate the same map, but there was a ton of information about meteors.
My favorite meteor has got to be the legendary Willamette Meteorite. At 32,000 pounds and composed mostly of iron, with a little nickel, cobalt and phosphorus, this ten-foot long, six-and-a-half foot wide, and four-and-a-quarter foot deep glob of metal balances a heat-polished oval exterior with deeply eroded chambers. But its girth isn’t the big draw. Continue reading