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[SPACE] Meteorite Falls in Eastern Russia, Causes Damage: Reports - Page 17

post #161 of 244
All I can say is:
HOORAY FOR EARTHS ATMOSPHERE!! biggrin.gif
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post #162 of 244
Quote:
Originally Posted by zefs View Post

Yes, but that hole looks like it's around the size of the meteor and there aren't any other smaller holes around the area, from smaller meteor pieces.

Must be a top secret missile launched by human/alien hybrids from planet Naburu because the Mayan's end-of-world prophecy was wrong. All hail Xenu!
 
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post #163 of 244
Quote:
Originally Posted by XNine View Post

The meteorite exploded at about 30 miles above the surface of the earth, pieces could be scattered for hundreds of miles in any direction. Go blow something up in your driveway and tell us if all of the pieces went in the same direction. They won't. As the internal pressure of the meteorite increased and the size of it increased due to its speed, it couldn't structurally support it, thus bursting into bazillions of pieces. Some pieces completely vaporized, some didn't, depends on the size of the pieces.

Now, go shoot a cannon ball into a frozen lake. That cannonball will make a greater hole than its actual size.

This wasn't some weapons test. The explosion created a light that was 10x more bright than the light we get from the sun, there was zero radioactive traces, and there is no weapon on earth that can travel as fast as the meteorite did.

Seriously? So that part of the meteor that dropped by the lake and left a 10 meter hole on it, wouldn't itself explode or leave smaller pieces around the lake like the main meteor ?
I never said that all the pieces should be found around the lake after the main explosion of the meteor, what I am saying is pieces should be found because this meteor part that fell in the lake should have also created smaller pieces.

Also I never said it's a weapon test, it's funny how that you put everyone that has a different opinion other than the "reported facts" into the same bucket of conspiracy theorists or whatever.
Edited by zefs - 2/16/13 at 9:26am
    
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post #164 of 244
Quote:
Originally Posted by zefs View Post

Seriously? So that part of the meteor that dropped by the lake and left a 10 meter hole on it, wouldn't itself explode or leave smaller pieces around the lake like the main meteor ?
I never said that all the pieces should be found around the lake after the main explosion of the meteor, what I am saying is pieces should be found because this meteor part that fall in the lake should have also created smaller parts.

Depends on the speed and the structural integrity. Meteorites mainly explode because of the stress of initially hitting the denser atmosphere. Once they do, they slow down significantly.
    
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post #165 of 244
Quote:
Originally Posted by zefs View Post

Seriously? So that part of the meteor that dropped by the lake and left a 10 meter hole on it, wouldn't itself explode or leave smaller pieces around the lake like the main meteor ?
I never said that all the pieces should be found around the lake after the main explosion of the meteor, what I am saying is pieces should be found because this meteor part that fall in the lake should have also created smaller parts.

Also I never said it's a weapon test, it's funny how that you put everyone that has a different opinion other than the "reported facts" into the same bucket of conspiracy theorists or whatever.

Short answer, no. The physics of it apparently will be hard to explain to you, but those pieces which continue straight forward, will likely have either the full kinetic energy, or nearly none relatively speaking. Creating a crater, even a small one requires an immense amount of energy, because we're talking about an "explosion" coming from completely inert materials.
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post #166 of 244
Also, why did Russia sent 20.000 people to collect meteor pieces? to sell them on ebay?
    
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post #167 of 244
Sounds right
Quote:
Quote:
Originally Posted by Blameless View Post

Quote:
Originally Posted by dogbiscuit View Post

I Haven't seen many explanations of the explosion. After all, it's just a rock, not flying C4, so maybe parts of it vapourise - expanding gasses ?

These rocks are not objects designed with aerodynamics in mind, they are irregularly shaped chunks of rock and/or metal.

What do you think happens when you have such an object moving at extreme speed, that due to stresses such as entering an atmosphere, fails structurally, and within a split second increases in surface area several orders of magnitude?

It's going to disintegrate, and, due to friction, rapidly exchange most of it's kinetic energy for thermal energy, exploding in a fireball.

A huge number of meteors do this, and if they are big enough, and low enough when they do, we get what we saw in Russia today.

This man speaks in truth!

Take a chunk of ice, and throw it as HARD as you can against a wall. It will explode. Essentially the same premise here, only the wall is our atmosphere and the snowball is a giant metal filled rock flying at 13km/sec. Most of it gets burnt up from the atmosphere, what's left is still a fiery blaze in the sky until it can't take the stress anymore and it literally explodes into gazillions of particles. The result of speed+mass exploding creates a sonic shockwave, essentially, a sonic boom, but way more powerful. I heard on the radio that it was predicted that the shockwave was 30x as powerful as the Hiroshima bomb. That's a hell of a lot of force coming from something so small.

That all sounds right to me, yeah.
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post #168 of 244
because meteor pieces are worth money in the bank.
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post #169 of 244
How did it get so fast ?
Is it just the influence of the Earth's gravity, or do they swing around other planets for acceleration like the man made space probes do ?
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post #170 of 244
Quote:
Originally Posted by dogbiscuit View Post

How did it get so fast ?
Is it just the influence of the Earth's gravity, or do they swing around other planets for acceleration like the man made space probes do ?

Mainly from the Sun.
    
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