Meteor in Canada
sorry it slipped!
11-21-2008, 03:10 PM
#17
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"The impactor's estimated size was about 10 km (6 mi) in diameter and may have released an estimated 400 zettajoules (4×1023 joules) of energy, equivalent to 100 teratons of TNT (1014 tons),[16][17] on impact"
1000 feet wide is like the crater in Arizona.
11-21-2008, 03:48 PM
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yeah, i just thought you were trying to say that would destroy the earth and i didnt know if it could or not
11-21-2008, 03:57 PM
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Honestly, it wouldn't take that big of a meteor:
From Scientific American Magazine:
How bad it would be after any impact would depend not only on a space rock's size, but on its makeup (metallic or stony) and density; where it lands (water or land); and if it explodes, breaks up or remains in one piece. Impacts by larger objects would be major trouble. The probability of a small asteroid (tens of meters radius, or the size of a small building) making impact might be once in several decades.
A giant asteroid of multiple-meters radius might hit once in many millennia, Pike says. Most terrifying are ones over 0.6 mile (1 kilometer). Impacts from such large objects, although rare, would be catastrophic on a worldwide scale. Plunging through Earth's atmosphere and hitting with the explosive force of around 70,000 tons of TNT, they most likely would result in a major blow to human civilization. The damage would likely even be greater if it crashes into the ocean, because the impact could trigger a continental, coast-inundating tsunami that would dwarf the 2004 Indian Ocean event. The B612 Foundation, another asteroid watch group, estimates that "The probability of an unacceptable (meaning damage-causing) collision in this century is about 2 percent."
From Scientific American Magazine:
How bad it would be after any impact would depend not only on a space rock's size, but on its makeup (metallic or stony) and density; where it lands (water or land); and if it explodes, breaks up or remains in one piece. Impacts by larger objects would be major trouble. The probability of a small asteroid (tens of meters radius, or the size of a small building) making impact might be once in several decades.
A giant asteroid of multiple-meters radius might hit once in many millennia, Pike says. Most terrifying are ones over 0.6 mile (1 kilometer). Impacts from such large objects, although rare, would be catastrophic on a worldwide scale. Plunging through Earth's atmosphere and hitting with the explosive force of around 70,000 tons of TNT, they most likely would result in a major blow to human civilization. The damage would likely even be greater if it crashes into the ocean, because the impact could trigger a continental, coast-inundating tsunami that would dwarf the 2004 Indian Ocean event. The B612 Foundation, another asteroid watch group, estimates that "The probability of an unacceptable (meaning damage-causing) collision in this century is about 2 percent."
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VRT MBasile
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