Asteroids - Collisions and Craters

• Barringer Meteor Crater, Arizona


• Diameter: 1.186 km
• Age: 49,000 years
• Chicxulub, Yucatan Peninsula, Mexico


• Diameter: 300 km
• Age: 64.98 million years
• This is three-dimensional map of local gravity and magnetic field variations.
• Thought to have caused half a year of global darkness by kicking up billions of tons of sulphur and materials into the atmosphere.
• Killed half the world's species, including dinosaurs.
• Wolfe Creek, Australia


• Diameter: 0.875 km
• Age: 300,000 years
• Rim rises 25 meters above the surrounding plains and the crater floor is 50 meters below the rim.
• Manicouagan, Quebec, Canada


• Diameter: 100 km
• Age: 212 million years
• One of the largest impact craters still preserved on the Earth's surface.
• This picture was taken from the shuttle.
• Clearwater Lakes, Quebec, Canada


• Diameter: 32 km/22 km
• Age: 290 million years
• These are twin impact craters, formed simultaneously by two separate but related meteorite impacts.

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