A Fantastic Map of 500 Years of Meteorites Hitting Earth - John Metcalfe - The Atlantic Cities

A Fantastic Map of 500 Years of Meteorites Hitting Earth - John Metcalfe - The Atlantic Cities:

""I spent about 30 hours on the map," Pearce says. "It took me a surprisingly long time before I learned that 'metor' was not the correct spelling; I think there are still some typos in my code.""

'via Blog this'