Effects of an Asteroid Impact on Earth

Effects of an Asteroid Impact on Earth - Effects of an...

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Effects of an Asteroid Impact on Earth Some asteroids have orbits that cross the orbit of the Earth. That means that the Earth will be hit sometime. Recent studies have shown that the Earth has been hit an alarmingly large number of times in the past. One large impact is now thought to have contributed to the quick demise of the dinosaurs about 65 million years ago. What would be the effects of an asteroid hitting the Earth? Known impact sites on the Earth's continents (from The Planetary and Space Science Centre ). See also LPI's Terrestrial Impact Site for pictures of the craters. What follows is a condensation of an excellent article by Sydney van den Bergh called "Life and Death in the Inner Solar System" in the May 1989 issue of the Publications of the Astronomical Society of the Pacific (vol. 101 , pages 500-509). He considers a typical impact scenario of a 10- kilometer object with density = 2.5 times that of water, impacting at a speed of 20 kilometers/second. Its mass = 1.31 trillion
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Effects of an Asteroid Impact on Earth - Effects of an...

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