Meteoroid explosion in Russia

N_Molson

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Meteor shower over Russia

Early this morning, a meteor shower caused violent explosions in the lower atmosphere over Russia. One exploded over Tcheliabinsk. Windows were blown in several places. It seems that a meteor chunk even hit the ground. Witnesses have reported light trails over Tcheliabinsk and Sverdlovsk. In Ekaterinburg, people report that an object fell from the sky. According to the governement, several people were wounded by windows debris in a school of Tcheliabinsk.
 

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N_Molson

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why does all the meteoroid stuff have to happen in far Russia?

Because Russia is a significant proportion of the emerged landmass on Earth. Statistics, it has very little probability to happen over Vatican. ;)
 

steph

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Apparently Russia Today already made a compilation with films. By the looks of it, if the flash had been brighter, it could have set objects on fire. Just unbelievably bright.

 

SiberianTiger

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http://en.rian.ru/science/20130215/179481989/Meteors-Injure-Over-150-in-Chelyabinsk-Region.html

Meteors Injure Over 150 in Chelyabinsk Region

11:10 15/02/2013

MOSCOW, February 15 (RIA Novosti) – More than 150 people have sought medical help in one of three Russian regions hit by a meteorite shower on Friday, the Interior Ministry reported.

Dozens of people suffered cuts from broken glass as the meteorites smashed windows in numerous buildings across the Chelyabinsk Region, but “no-one suffered serious injuries,” the Interior Ministry said.

The meteorite shower hit three regions of Russia, and Kazakhstan, Russian state officials confirmed on Friday,

The police are searching for the fallen meteorite pieces and protecting affected buildings from looting.

Reports are inconclusive about whether the storm was caused by was one large meteorite, or several smaller ones.

Residents of three villages in the Sverdlovsk region reported witnessing the shower, but no-one there was injured.
 

SiberianTiger

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Video of a warehouse door smashed in by a shockwave:

http://www.youtube.com/watch?feature=player_embedded&v=bvJKoQE8uwE#!

A building destroyed by a shockwave as well:

01.jpg


02.jpg


03.jpg

1360906908_0722.720x540.jpeg
 
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Codz

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Wow. I'm glad nobody was seriously injured or killed.
 

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Wow that's spectacular blast! I would love to see something like that in person. I think this is the strongest airburst over a populated area in recent decades. Must have been several kilotons worth of boom if it generated shock wave capable of breaking windows many km away.

Could it be that this small asteorid was a piece broken off from that 50 m asteorid passing Earth today?
 

steph

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I guess it's possible. Certainly looks suspicious, a bit too much of a coincidence. Anyway, it's a full on airburst, with big fragments hitting the ground and all the other bells&whistles. I'm surprised the media still calls it a "meteor shower".
This thing was just epic.

[ame="http://www.liveleak.com/view?i=0d4_1360909480"]LiveLeak.com - Sonic Boom Rocks Russian Neighborhood[/ame]
 

Urwumpe

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Would those radars spotted it if it came from favorable direction?

Yes, very likely. But they would also not have been able to produce any meaningful warning.

The meteoroid was not very large, maybe of the size of a washing machine before entering the atmosphere, large enough to detect it. It looks spectacular and causes a lot of damage, but the final pictures of the meteor after the break-up event and the explosion look like the meteorite was not bigger than a human head then.
 

garyw

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Could it be that this small asteorid was a piece broken off from that 50 m asteorid passing Earth today?

Not at all.

This is pure coincidence we've all been looking at 2012 DA14 when this unknown one snuck up and sideswipped us. Good thing it wasn't any bigger otherwise this could have been a bad day.
 

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Just looked at the maps, if the meteor happened only a bit more than an hour later, it would have passed directly over Moscow.
 

Artlav

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Is there something special about the composition of an airbursting meteor, like it's made of ice?
Or would any kind of the right size going at the right speed and angle fall apart like that before reaching the surface?

Just looked at the maps, if the meteor happened only a bit more than an hour later, it would have passed directly over Moscow.
Yeah, there are a lot of jokes there already about _somebody_ having a really bad aim.
 
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garyw

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Is there something special about the composition of an airbursting meteor, like it's made of ice?
Or would any kind of the right size going at the right speed and angle fall apart like that before reaching the surface?

As I understand it, an airburst from a meteor is more likely to happen than it simply impacting the ground intact simply due to the shock heating as it screams into the atmosphere.
 
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