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  #1  
Old 2013-02-15, 13:48
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Multiple meteorites hitting a Russian city yesterday, 100s injured

Multiple meteorites hitting a Russian city yesterday:
http://www.guardian.co.uk/science/20...shakes-russian

Quote:
"A meteorite has flared spectacularly in the sky and exploded over the
Russian region of Chelyabinsk, reportedly injuring around 400 people"
Meanwhile, a large one is passing between our Geo-stationary satellites and earth.

Theres no joke to be made here really. Everyone really needs to see these videos.
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  #2  
Old 2013-02-15, 14:48
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Live updates: https://rt.com/news/russia-meteor-me...elyabinsk-291/
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  #3  
Old 2013-02-15, 14:53
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I've seen all that, and it's pretty shocking... something fishy is in the air.
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  #4  
Old 2013-02-15, 16:13
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I blame Sputnik.
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  #5  
Old 2013-02-15, 16:26
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A lot is still to be determained from what I gather - this was a utterly unexpected event.
Theres a chance that, like Tunguska, it was a explosion in the atmosphere and then the debree rained down and thats whats causing the damage.

Fortunately russian driving standards are so bad theres lots of footage from car-mounted cameras people have.

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Thats for that.
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  #6  
Old 2013-02-16, 15:01
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It's not the debris that's causing the damage but the pressure wave that resulted from an explosion due to the meteorite's low angle and high velocity.

The pressure in turn caused windows and doors to shatter, roofs to callapse etc. causing injuries in people.
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  #7  
Old 2013-02-16, 15:07
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I love that a Russian politician already blamed a failed U.S. weapons test for the meteorite.

Seriously, I wish we were that clever. :P
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  #8  
Old 2013-02-16, 15:32
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"Pressure" ? I don't know what you mean by that but I'd say it's the shockwave.
Very impressive...
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  #9  
Old 2013-02-16, 15:39
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Quote:
Originally Posted by Polaris View Post
"Pressure" ? I don't know what you mean by that but I'd say it's the shockwave.
Very impressive...
I believe that's what Jas meant. The subsequent force generated by the impact that blew out windows, etc.
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  #10  
Old 2013-02-16, 16:18
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I'm not sure it's the impact (there was none, except for some small leftovers) or the explosion (more of a disintegration) that caused the shockwave to do all that damage. I think the mere movement of the meteorite in the air at hyper-ultra-supersonic speed (35000km/h) is enough for that.
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  #11  
Old 2013-02-17, 00:11
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No, asteroids can and do explode when they enter the atmosphere, they "pancake" from the sudden rise in density they encounter, and when they finally fall apart they transfer all the energy they accumulated into the atmosphere, as a sudden burst of heat and light and move the air around the explosion towards the ground at supersonic speeds.

Look at films of bombs exploding, before any of the fire from the blast travels a pressure wave that can kill people who where not in the area covered by the fireball and debris.

^
As far as I know anyway.

Back to the rock:
"Astronomers estimate that the Russian meteor was caused by a 50-foot-wide (15 m) object that weighed about 7,000 tons."

from space.com


Models and films of how the event in Tunguska might've gone:

https://share.sandia.gov/news/resour.../asteroid.html
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  #12  
Old 2013-02-17, 14:48
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Quote:
Originally Posted by Jasiek View Post
It's not the debris that's causing the damage but the pressure wave that resulted from an explosion due to the meteorite's low angle and high velocity.

The pressure in turn caused windows and doors to shatter, roofs to callapse etc. causing injuries in people.
Mostly yes, but given that circular hole (and now convenient fishing spot) in that ice sheet, its clear at least some stuff was striking the ground.

Also, theres a ice rink with a hole in the side which I dought was pressure related.

There should certainly be enough material - both digital recordings and physical bits landed - too work out a lot about this event.
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  #13  
Old 2013-02-17, 15:23
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For me that's kinda ZEUS sending a message for us.

Aight, that's quite dangerous, since we didn't expect that.

It just came and we didn't expect it.. If it was bigger it could end human life in earth, that scares me :|

If a "small" meteorie could hit the Earth, why not a big one? Not saying it's going to happen, but anyway..
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  #14  
Old 2013-02-18, 17:17
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Quote:
Originally Posted by Rex_Hollywood View Post
Has there been something in Cuba in the past few hours? I heard something like that but can't find any official reports.
There were reports in Florida that there were "fireballs" in the sky yesterday, and considering the proximity to Cuba, may lend some credence.

I'm wondering if this is really a phenomenon (outside of Russia) or maybe people are just noticing more and actually watching the skies?
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  #15  
Old 2013-02-19, 01:52
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  #16  
Old 2013-02-19, 10:59
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Quote:
Originally Posted by FeederGaming View Post
It just came and we didn't expect it.. If it was bigger it could end human life in earth, that scares me :|

If a "small" meteorie could hit the Earth, why not a big one? Not saying it's going to happen, but anyway..
It will happen, absolute certain. The question is now, 100 years or even 10,000.
We know earths past enough to know we get hit in big ways every so often.

Our species needs to get its act together.

We are very lucky no one died here - yet provided something of a warning/eye-opener. So in some ways its a good thing.
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  #17  
Old 2013-02-19, 14:43
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Quote:
Originally Posted by Carajo View Post
Optimus is that you?
Vector sigma.
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  #18  
Old 2013-02-19, 19:55
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Quote:
Originally Posted by Double-J View Post
Vector sigma.
If the russians get to it, then we're screwed. I mean, mainly the US.
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  #19  
Old 2013-02-19, 19:56
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You should start gathering supplies, and by supplies I mean beer and porn.
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  #20  
Old 2013-02-19, 20:00
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Quote:
Originally Posted by Carajo View Post
If the russians get to it, then we're screwed. I mean, mainly the US.
We already made it to Alpha Trion, thanks to my golden little friend, Bumblebee.

Quote:
Originally Posted by Carajo View Post
You should start gathering supplies, and by supplies I mean beer and porn.
What makes you think I don't have a doomsday prepper style stockpile of such things already?

The hardest part about the zombie apocalypse will be trying to hide my excitement.
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  #21  
Old 2013-02-19, 20:46
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Quote:
Originally Posted by Double-J View Post
We already made it to Alpha Trion, thanks to my golden little friend, Bumblebee.
A minute of silence for our friend Alpha Trion. May his soul rest in an orange shiny ball. May he make friends with Zordon from the power rangers, who's soul rests in a giant tube.

Quote:
Originally Posted by Double-J View Post
What makes you think I don't have a doomsday prepper style stockpile of such things already?

The hardest part about the zombie apocalypse will be trying to hide my excitement.
One good forewit is worth two afterwits?
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  #22  
Old 2013-02-19, 22:57
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Quote:
Originally Posted by Carajo View Post
A minute of silence for our friend Alpha Trion. May his soul rest in an orange shiny ball. May he make friends with Zordon from the power rangers, who's soul rests in a giant tube.
^ Awesome. Ay yi yi yi yi!

Speaking of which:
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