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Old February 17 2013, 02:28 AM   #61
M'Sharak
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Re: Russia reports amazing meteorite strike

Christopher wrote: View Post
I think bigdaddy is referring to the fireball over the San Francisco Bay Area last night, given the references to "Cali" (California) and the American media. That one was a rather commonplace event, but it's getting more attention than most because it happened so soon after the Russian fireball.
"Cali" is the name of a large city in Colombia, which is in South America; the state occupying a position on the US West Coast may properly be referred to by its full name, thankyewverramuch.

While the famed California smog was a real and quite serious thing in Los Angeles and the surrounding area from the 1950s through the mid-1970s, it's been a mere shadow of its former toxic nastiness since about 1980, thanks to emission-control measures, and was never as big a deal in the Bay Area. (Moreover, I cannot at any time recall reports of L.A. smog stopping meteors, even at its highest, sick-green/yellow-est concentration.)
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Old February 17 2013, 03:38 AM   #62
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Re: Russia reports amazing meteorite strike

M'Sharak wrote: View Post
(Moreover, I cannot at any time recall reports of L.A. smog stopping meteors, even at its highest, sick-green/yellow-est concentration.)
But if it had, how would we know it?

That did happen in an episode of The Simpsons once.
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Old February 17 2013, 03:56 AM   #63
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Re: Russia reports amazing meteorite strike

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It's a "shooting star" that was big and dramatic in the daytime, whose shock wave shattered windows and hurt people. That's news.

ETA: Having no link to the contrary, I thought bigdaddy was referring to the thread topic, so that's what I was talking about. The Bay Area fireball didn't make my local news, although dramatic falling stars in my area have my local broadcasts before.
SOORY FOR THE CONFUSION! I was watching the nightly news and there was no link.

The weather channel is the only one I could find...

http://www.weather.com/news/science/...bject-20130216

The Russian one is serious, this California one is a joke to scare stupid people.

And I've been tired, so otherwise I would have fixed this sooner.
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Old February 17 2013, 04:05 AM   #64
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Re: Russia reports amazing meteorite strike

@bigdaddy: Hey, no prob. I should have listened to my Spidey sense anyway.
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Old February 17 2013, 04:41 AM   #65
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Re: Russia reports amazing meteorite strike

RoJoHen wrote: View Post
Ah, well, I apparently pay even less attention to the American media because I didn't even know that happened.
I live in Cali(fornia) and this was the first I've heard of it.
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Old February 17 2013, 04:56 AM   #66
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Re: Russia reports amazing meteorite strike

I've seen the light trail/flashes of entering meteorites a few times (usually in the distance, certainly not almost directly overhead like what happened in Russia.) It can be quite a sight for sure.

I'm still in awe over this Russia footage and the shockwave it created.
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Old February 17 2013, 04:56 AM   #67
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Re: Russia reports amazing meteorite strike

It was the number one story on NBC Nightly News!

"The Russian meter, the close comet, the California light, are we safe? ARe you going to die? Is the end near?! We will ask some dumbass who can't read the script! Then have more on Dateline!"

As a child I saw a massive comet in the sky, it didn't explode, then when I was hiking in 2002 there was a massive boom, then an Earthquake. They claimed it was a meteorite that crashed in upstate NY, but they never found the crash site. These things happen. The Russian one is scary, but rocks ht the Earth every day, most we don't need to worry about.
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Old February 17 2013, 04:58 AM   #68
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Re: Russia reports amazing meteorite strike

M'Sharak wrote: View Post
the state occupying a position on the US West Coast may properly be referred to by its full name, thankyewverramuch.
I've never heard of this state. Is it north of California? Is it named from an American Native word?


Also, should we be watching the news for reports of any Russians developing super powers?
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Old February 17 2013, 09:49 AM   #69
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Re: Russia reports amazing meteorite strike

There is a "theory" that a meteorite caused the Great Chicago Fire and other fires around Lake Michigan on October 8, 1871.

http://meteorite-identification.com/mwnews/08232004.htm

http://en.wikipedia.org/wiki/Great_Michigan_Fire
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Old February 17 2013, 02:03 PM   #70
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Re: Russia reports amazing meteorite strike

Thank the Gods, no one died.
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Old February 18 2013, 12:08 PM   #71
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Re: Russia reports amazing meteorite strike

bigdaddy wrote: View Post
It was the number one story on NBC Nightly News!

"The Russian meter, the close comet, the California light, are we safe? ARe you going to die? Is the end near?! We will ask some dumbass who can't read the script! Then have more on Dateline!"

As a child I saw a massive comet in the sky, it didn't explode, then when I was hiking in 2002 there was a massive boom, then an Earthquake. They claimed it was a meteorite that crashed in upstate NY, but they never found the crash site. These things happen. The Russian one is scary, but rocks ht the Earth every day, most we don't need to worry about.
In the grand list of things to complain about in the media, giving higher priority to the rarer (than in the countryside) sighting of a highly visible meteorite coming down over light polluted major cities mere hours after a meteorite causing over a thousand injuries in Russia and before a near Earth asteroid flyby doesn't seem like it should be one of them.

This wasn't just some tiny streak of light across the sky nowhere near the city:



Saying it's a sign of the end of days is irresponsible, I agree, but just covering it at the top of the news isn't.
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Old February 18 2013, 03:28 PM   #72
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Re: Russia reports amazing meteorite strike

I don't think there are statistically more meteors coming down, just more people aware of/concerned about them with cameras on their phone now, looking up, and media outlets more willing to rebroadcast them.
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Old February 18 2013, 03:57 PM   #73
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Re: Russia reports amazing meteorite strike

This experience shows us why we need to spend mega bucks over the coming decades to track all these space rocks even the smaller ones. Right now when one thinks about it you could have an asteroid that could put us into an Ice Age NASA is watching on a course away from Earth. Then a 120 foot rock at high speed that we didn't notice hits it and all the sudden we have a half mile wide asteroid heading to Earth with little time to respond.

I would also support the creation of a few devices to move such a space rock into a different course. But, if we don't have time we should build the mother of all nukes (something in the multi gigaton range)... perhaps even using anti matter when we are able to do so as a last line defense. We don't want to suddenly go the way of those big lizard like things that kept us mammals hiding in trees and underground.
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Old February 18 2013, 03:57 PM   #74
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Re: Russia reports amazing meteorite strike

137th Gebirg wrote: View Post
I don't think there are statistically more meteors coming down, just more people aware of/concerned about them with cameras on their phone now, looking up, and media outlets more willing to rebroadcast them.
Right. The California bolide wouldn't have made the news if it had happened on any other day. Similar events happen fairly often. This one just happened to occur on a day when everyone was watching the skies, not just amateur astronomers as usual.

Also, as human population spreads more and as cameras become more ubiquitous, more meteoric fireballs will occur where people can see and record them. And by the same token, as our ability to detect and track near-Earth objects increases, we'll become aware of more near misses, and there will be more cases where we detect multiple objects nearing or hitting the atmosphere in quick succession. Keep in mind that we've only discovered a fraction of the NEOs in 2012 DA14's size range. If that particular one hadn't been spotted last year, the story wouldn't be "Meteor explodes over Russia just 15 hours before asteroid flyby," but would just be "Meteor explodes over Russia."


jmc247 wrote: View Post
I would also support the creation of a few devices to move such a space rock into a different course. But, if we don't have time we should build the mother of all nukes (something in the multi gigaton range)... perhaps even using anti matter when we are able to do so as a last line defense.
This isn't a situation where brute force is the optimal solution. You can't really blow up an asteroid like in the movies -- and if you could, it could actually make things worse, because all that mass would still be on the same collision course for Earth, and it would come down spread out far more widely. The only real solution is to divert the asteroid so it misses the planet. Which isn't that hard to do. It only takes the Earth about 7 minutes to traverse its own diameter as it moves through its orbit, so you just need to change the asteroid's course or speed a tiny bit so it crosses our orbit a few minutes later or earlier. This is the benefit of detection systems, because the earlier we find these objects, the easier it is to deflect them; not only do you have more time to alter an asteroid's course, but the farther away it is, the less of a course change you need to impart to get it to miss.
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Old February 18 2013, 04:19 PM   #75
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Re: Russia reports amazing meteorite strike

jmc247 wrote: View Post
This experience shows us why we need to spend mega bucks over the coming decades to track all these space rocks even the smaller ones. Right now when one thinks about it you could have an asteroid that could put us into an Ice Age NASA is watching on a course away from Earth. Then a 120 foot rock at high speed that we didn't notice hits it and all the sudden we have a half mile wide asteroid heading to Earth with little time to respond.
The thing is we CAN see half-mile wide asteroids. Granted we're not tracking everything out there. This rock was nothing to be concerned about and NASA would be wasting time looking for stuff like this. We get hit by this kind of thing all of the time this one just happened to happen over a populated area.
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