Meteor Craters

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San Francisco City would fit neatly inside
this Barringer Meteorite Crater in Arizona, USA.

Meteor Craters

  • the most famous and best-preserved meteorite crater on Earth is named the Barringer Crater which measures 1.2 miles wide and 175 metres deep – 50,000 years ago, a giant fireball streaked across the North American sky ~ it struck the earth in what is now northern Arizona, exploding with the force of 2 ½ million tons of TNT. (photo)
  • near Henbury in northern Australia – group of 13 separate craters that must have been formed by the fragments of a meteorite that broke up  moments before it impacted the earth. (photo)
  • measuring some 15 miles across – the Ries Crater in southern Germany was caused by a meteorite about ¾ mile in diameter – the town of Nordlingen is built on the dried-up bed of a lake that once filled the crater. (Photo: Ries Crater / Nordlingen)
  • a 63 miles Manicouagan Crater in Canada is more than 200 million years old – a ring-shaped lake has formed around the `peak` at the centre of this much eroded crater. (photo)
  • scientists have discovered the remains of a 125 miles Crater beneath the sea floor off the coast of the Yucatan Peninsula in the Gulf of Mexico – it is likely that this crater was caused by the asteroid strike that may have wiped out the dinosaurs 65 million years ago.  (diagram)
  • seabed drilling has revealed the existence of a crater 53 miles in diameter beneath the waters of Chesapeake Bay on the east coast of the USA – the crater was identified by fragments of shocked quartz, which are only formed by meteorite impacts. (diagram – map)

 

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