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Asteriod Explosion over Indonisia

27 Oct 2009, 21:05 UTC
Asteriod Explosion over Indonisia
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Asteroid explosion over Indonesia raises fears about Earth's defences in the in the Telegraph.co.uk.On 8 October, the rock crashed into the atmosphere above South Sulawesi, Indonesia. The blast was heard by monitoring stations 10,000 miles away, according to a report by scientists at the University of Western Ontario.Scientists are concerned that it was not spotted by any telescopes, and that had it been larger it could have caused a disaster.The asteroid, estimated to have been around 10 metres (30ft) across, hit the atmosphere at an estimated 45,000mph. The sudden deceleration caused it to heat up rapidly and explode with the force of 50,000 tons of TNT.Here is a video of it from YouTubeThe government is now deciding how much to invest in Near Earth Object(NEO) surveys. The argument against investing heavily in NEO surveys is the statistical chance of being injured or killed by a NEO is very low. This argument overlooks the stress which is induced by different types of risk. Equal levels of risk cause significantly different levels of stress. Risk which is known and the individual has control over causes the least stress. Either lack of knowledge or control significantly rise stress levels. Risks that are unknown ...

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