Somewhere out there is a giant rock with Earth’s name on it
THE city of Turin – Torino to the locals – in north-west Italy is famous for a curious assortment of things. It is home to the shroud that purportedly carries the image of Jesus Christ, and it was the setting for the movie The Italian Job. Oh, and it is the birthplace of the Torino impact hazard scale.
The Torino scale is a bit like a Richter scale for asteroid impacts. Earth has suffered many collisions with asteroids and comets, and these may well have brought life to the…
