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Huge Meteor Blazes Across Sky Over Russia; Hundreds Injured
New submitter dovf writes "The Bad Astronomer analyzes incoming reports about the apparent meteoric fireball over Russia: 'Apparently, at about 09:30 local time, a very big meteor burned up over Chelyabinsk, a city in Russia just east of the Ural mountains, and about 1500 kilometers east of Moscow. The fireball was incredibly bright, rivaling the Sun! There was a pretty big sonic boom from the fireball, which set off car alarms and shattered windows. I'm seeing some reports of many people injured (by shattered glass blown out by the shock wave). I'm also seeing reports that some pieces have fallen to the ground, but again as I write this those are unconfirmed." This is the best summary I've found so far, and links to lots of videos and images. He also clarifies something I've been wondering about: 'This is almost certainly unrelated to the asteroid 2012 DA14 that will pass on Friday.'"
Could that have just been a smaller chunk that broke off of the DA14? I mean that is tomorrow. Sounds possible to me.
Awesome video, a lot of freaked out people over there! The flash of light and the shock wave had a bunch of folks crapping their pants. Also reports of about 500 being injured.
As of right now, English-language sources seem to be a bit behind on the injury/damage reports.
The current reports from the city government say that 725 people have received medical attention, with 31 being hospitalized. Infrastructural damage amounts to problems in the centralized building heating system, and blown out windows in about 3000 apartment buildings, 34 hospitals and clinics, and 361 schools/daycares. I should note that, this being Russia, blown out windows are a serious matter because they render the buildings cold, especially coupled with heating system problems. Gas supply has been turned off in parts of the city as a precaution.
Overall, though, there appears to be no serious damage - though emergency repairs and lots of new windows are needed.
... hows your space program going.
Pfffft.
That was Putin skydiving from space.
Shirtless, because he's Putin.
http://www.standartnews.com/videos/watch/meteorit_padna_i_rani_desetki_v_rusiya-276.html
Here's a link with video from more places. (Best i've found so far)
Zombies spotted in Chelyabinsk
The meteorite was several times larger than the last (and first ever) predicted impact in 2008.
It is trivially possible these days, to do several complete surveys of the sky each day and ensure that such asteroids are discovered several days ahead of time. Computers allow us do evaluate the data more or less in real time. The problem is: You need funding for the telescopes around the world and staff to run them.
While all the observatories would do, is to give warning to people in the area to stay indoors and away from windows - or leave the area alltogether if the rock is a bit larger - that's still better than "oups" and a couple videos from dashboard cameras. It would also provide a viable basis for sending up a rocket with a few tons of mass to break up an asteroid into harmless chunks. Possibly a combination of high and low density materials, like concrete and lead, to achieve a good distribution of the momentum through the whole asteroid.
I'm not kidding. A single ton mass in a head-on collision with 10-15km/s has as much kinetic energy as 15-30 tons of high explosives. Which should be enough to break up a 30m asteroid into very small chunks (this one in russia was probably around 10m), although some preparation is certainly in order.
http://www.flickr.com/photos/eumetsat/8474853633/
"An image from the SEVIRI instrument aboard our Meteosat-10 geostationary satellite. The vapour trail left by the meteor that was seen near Chelyabinsk in Russia on 15th February 2013 is visible in the centre of the image."
www.rdex.net
I think you'd have a better chance of trying to swat down a fighter plane with a magazine.
No kidding!!! What do you say at this point?
The apparent crash site (or maybe one of several, not clear if there were several sizeable fragments) is in a nearby lake, creating a 6 meter hole in ice. Picture at a news site. The site is under control of Russian authorities and a scientific group is due to arrive tomorrow to study the meteorite.
http://www.youtube.com/watch?v=iCawTYPtehk
http://www.youtube.com/watch?v=b0cRHsApzt8
http://www.youtube.com/watch?v=_3BGn012dhw
Warning: strong language.
Here: http://en.rian.ru/russia/20130215/179481049/Meteorite-Shower-Hits-Russia-Kazakhstan.html
Some not so credible newspapers report unconfirmed military sources stating that Russian air defence shot down this bad boy.
No, it was Putin who busted it into smithereens with one blow from his mighty fist.
When information is power, privacy is freedom.
Actually, meteors hitting the earth's atmosphere is a very common event. It happens almost every night. The only difference is that this time the meteor was large enough to be visible and have this result. The big 45m piece of asteroid passing by isn't that uncommon either, it's just passing by relatively close compared to other asteroids.
In short: we're not talking about two uncommon events (certainly not "very rare"). You're falling for the Texas Sharpshooter Fallacy here.
Meteors and ICMBs (Inter-Continental Ballistic Missiles) both travel on "ballistic" trajectories. I.E. when they're coming down, they don't change speed or course under their own power. This makes it very easy (relatively, for people that do it for a living) to track their point of origin. This would clearly be coming from space, not from another continent.
What interests me the most here is why wasn't this all over the news? We see posts about twice a year talking about the next "near miss" we're going to have. So what happened with this one? Didn't they catch it? Or did they catch it, realize it was going to hit, and decide not to tell anybody? It would be a lot more interesting to find out details on it being known, covered up, and an intercept attempted. (and possibly successfully)
Continuing on that tangent, hollywood tells us from Independence Day "and turn one dangerous falling object into many?" In other words, blowing it up doesn't immediately lower it's total combined mass, so is it a good idea or a bad idea? I suppose if you start with something massive enough to get through the atmosphere and hit dirt, if you have a chance to blow it up into say a dozen smaller pieces that have a good chance of burning up in the atmosphere, that'd be a good option. Even if you busted it up it up into say four smaller pieces, their surface area to mass ratio goes way up and the four that make it to the ground should have burned off more mass and impact with less energy than the original one would have.
But rather than trying to play an armchair quarterback, I'm just askin' the questions, I'll leave answering those questions to the "rocket scientists".
I work for the Department of Redundancy Department.
do the math.. a 1000 miles away (radius) equates 3,141,590 sq miles to track
for something that occurs in 30 seconds... and has a cross section of a few feet.
here is a nice 1000 mile circle
http://reyscars.com/blog/wp-content/uploads/2010/07/1000-mile-radius-map.jpg
examine that entire region for a speck about 20-50 feet wide....
every day http://en.wikipedia.org/wiki/Special:Random
Re-entry vehicles from ICBMs do.
Remember, there were no nuclear weapons before women were allowed to vote.