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Meteorite hits earth - What is the impact?

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    Dave Brody on the meteorite crash in Russia and the damage caused by its shock wave.

  • Duration 4:38
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Bring in David Brody from space dot com and that gave first thing I want to talk with you about -- -- -- talked about the big boom that happen.

And to -- help the viewers get get a F perspective on the big boom while we're still talking about the meteor the -- I was at 32000 feet -- that puts it about 3000 feet higher than the summit of Mount Everest.

How does something that high create enough boom that that's where all the damage comes from it's not from the impact of the -- right.

Sure that's right it's the -- away from it just to to further that perspective.

That blast that occurred in the air over the Ural Mountains this morning.

Was much more powerful than the nukes that the north Koreans tested underground on Monday.

So that -- produced seismic waves because it was underground.

And could transmit directly into the that -- earth.

This one also had some seismic signatures to.

But yes you're absolutely right the blast occurs from the shock way -- and you'll hear in some of these eyewitness reports.

That it was seconds to minutes between the time that they saw a streak across the sky and the time when they were completely surprised by windows breaking.

Glass shattering things falling down all around them that speaks to a very large area that was impacted by this relatively small.

-- you could call it a tiny little piece of an asteroid.

And yes really with or is it you know which is amazing and have a edit it and of itself -- but it in the shockwave itself is just the force of the meteorite.

It heating the atmosphere and I guess at that speed it's like it's like hitting a brick wall.

Right well it is like any rifle I'm likely work well it flies apart if it reaches a density -- -- cannot survive tensile strength of the asteroid breaks up.

And you get a lot of tiny little pieces some of them made it to the ground there's a really beautiful round hole in one of the nearby lakes this morning that wasn't there yesterday.

Proof positive that something could make it to the ground -- you saw some pictures of some impacts.

I bet that there are scientists all over the world who are trying to figure out.

How to fund an expedition to that very site to as soon as possible to trying to get a piece of this meteorite.

Because that will tell us you know about the parent body that it came from.

Will that -- that -- a couple of questions right there I saw that where there's a hole in the middle of the lake.

Now -- there a big seismic -- the movies always -- -- a great eruption when the media finally makes contact with earth or does it slow down so much because the -- the atmosphere.

It does slowdown in fact it slows down to the point 01 it hit something hard enough so the layers that can be slowed by atmosphere are slowed and detonate in the atmosphere.

The ones that are dense enough to make it all the way through the thick atmosphere have collectively impact the -- over the water or the ground.

And then sometimes pieces of those survive so you got this big body getting smaller and smaller and smaller and smaller until it becomes a media rights and that's the thing that we're going to find.

The few -- sense.

Is another thing that's now at the bottom of the lake it's it's just a rocket to space rock is it radioactive I saw some pictures of people standing around that lake are they somehow at risk from.

-- whatever could come off -- this rock.

I'm not at all as long as it's cool down there probably has if it's under -- there is minimal risk.

Radioactivity comes from a concentration of radioactive elements.

That's not normally found in nature we have to work really really hard to collect a lot of uranium to put it together and then.

For sit together.

In order for the chain reaction that is nuclear.

-- -- -- -- This thing is safe once it's done its initial blast.

Is there anything we can learn from it.

There's a lot we can learn and we'd really like to know what the solar system is made up.

You may also known fact we talked about it here on fox a couple of months ago.

That there are two commercial companies who are now set to go out and prospect what asteroids the very kinds of bodies from which this meteorite came.

Because they believe.

That very soon there'll be a very large market.

For materials.

To be used in space that come from space and they're not exotic materials particularly things like steel and water.

The kind of things you need to build things -- civilizations so.

Fascinating election got a little piece of it.

Let's come to visit us and as Greg pointed out in his report there is no correlation as far as we can tell between the big asteroid that's going to fly by -- relatively race.

This afternoon and this little meteorite they came from 840.

OK I I'll I wanted to ask you more about the big asteroid that's gonna that's gonna miss us but we're at a time that you want to learn more about body you can log on space but.

But dot com and see what David Brody has to say about it and and fortunately we ran out of time because I've got a lot of questions that -- the is coming out.

And this is really really a fascinating -- be doing something like this.

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