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(NPR)   We all just about died from an asteroid near-miss yesterday. So, when you get tired of feeling relieved, head on over to look at NASA's handy-dandy calendar of upcoming potential Earth destroyers   ( npr.org) divider line
    More: Scary, NASA, Earth  
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10650 clicks; posted to Main » on 18 Feb 2014 at 2:09 PM (3 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2014-02-18 03:51:10 PM  

mjohnson71: If a 3 football field sized meteor really a kill-us-all sized rock? I'm not saying that wouldn't fark us up badly but I didn't think that THAT big.


Not likely. It would do a lot of regional damage and may cool the Earth by blocking the sun a bit, but it would have to be about 10 times bigger to even be close to being an ELE.
 
2014-02-18 03:55:08 PM  
Missed it by that much.
 
2014-02-18 03:56:12 PM  

Slaxl: LordJiro: but we'll know it's coming.

We could easily miss one that is big enough to do some sirius damage.

/Worst astronomy pun of the day... or is it?


Think of Aldebaran wasteland the blast zone would leave.
 
2014-02-18 04:00:24 PM  
I knew there had to be some reason my asshole bit a hole through my BVD's yesterday.
 
2014-02-18 04:00:51 PM  

hitlersbrain: A few football fields? That's pretty far from an earth killer. The little that was left after reentry might have made a decent crater but would hardly have been worthy of note unless it hit a populated area.


Just ran the calculator 3,900 megaton (7,800 tsar bombas) yield. You would not want to be within a couple hundred miles of it but its not K/T bad.
 
2014-02-18 04:06:13 PM  

Oldiron_79: hitlersbrain: A few football fields? That's pretty far from an earth killer. The little that was left after reentry might have made a decent crater but would hardly have been worthy of note unless it hit a populated area.

Just ran the calculator 3,900 megaton (7,800 tsar bombas) yield. You would not want to be within a couple hundred miles of it but its not K/T bad.


I typoed 78 tsar bombas. I got all discombobulated because calc was set for kilotons and we are talking megatons.
 
2014-02-18 04:10:20 PM  

oblig

Yo Come At Me Bro

 
2014-02-18 04:13:25 PM  
What an Earth destroyer might look like:
puertochan.orgView Full Size
 
2014-02-18 04:19:41 PM  
If it nearly missed, doesn't that mean it hit?

If Subby nearly peed his pants, it means Subby didn't actually pee his pants (Pooping his pants might be a given, though)
 
2014-02-18 04:23:00 PM  

Suckmaster Burstingfoam: Slaxl: LordJiro: but we'll know it's coming.

We could easily miss one that is big enough to do some sirius damage.

/Worst astronomy pun of the day... or is it?

Think of Aldebaran wasteland the blast zone would leave.


Wow. Just... wow.
 
2014-02-18 04:24:53 PM  

indarwinsshadow: 2 million miles subby? That's not a "near miss" by any stretch of the imagination. Inflated headlines suck.


How is that not a near miss? Space is big. You just won't believe how vastly, hugely, mind- bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space.

/but for truth, 2 million miles seems pretty damn close to me
 
2014-02-18 04:29:17 PM  

Peki: RoxtarRyan: indarwinsshadow: 2 million miles subby? That's not a "near miss" by any stretch of the imagination. Inflated headlines suck.

So be fair, subby didn't create the definition of "near miss". I agree though, something that is 8 times the distance from the earth that the moon is shouldn't be considered a "near miss".

Yeah, but to people who measure distances in terms of AU and lightyears, 2.1 million miles is  incredibly close. Also, seems like the aliens' aim is getting better, since the next one is supposed to be only a million out.


This so makes me think of Starship Troopers.  Fun movie to watch, but there is no science to that science fiction whatsoever.  The attack that set the humans over the edge and decide to attack the bugs...  It was caused by a bug, on a distant planet, in another system altogether, hurling some bug plasma at an asteroid in OUR system, and causing it to plumet to Earth, killing millions.

There is pretty much nothing in physics that says:
1.  Any creature could possibly have such incredibly good aim, especially considering they lack any and all technology.  How the hell did they even know where our planet was?
2.  A ball of plasma could travel hundreds, if not thousands of light years in such a short period of time.
 
2014-02-18 04:33:10 PM  

Oldiron_79: Oldiron_79: hitlersbrain: A few football fields? That's pretty far from an earth killer. The little that was left after reentry might have made a decent crater but would hardly have been worthy of note unless it hit a populated area.

Just ran the calculator 3,900 megaton (7,800 tsar bombas) yield. You would not want to be within a couple hundred miles of it but its not K/T bad.

I typoed 78 tsar bombas. I got all discombobulated because calc was set for kilotons and we are talking megatons.


Wouldn't that be 7.8 Tsar Bombas then?

Although you'd probably have more damage from 8 actual Tsar Bombas than one hit that had 7.8 times the energy of Tsar Bomba. 8x the energy would only be around twice the radius of the actual TB.
 
2014-02-18 04:34:03 PM  

mjohnson71: If a 3 football field sized meteor really a kill-us-all sized rock? I'm not saying that wouldn't fark us up badly but I didn't think that THAT big.


Could We Stop An Asteroid? Feat. Bill Nye
 
2014-02-18 04:41:52 PM  

durbnpoisn: Peki: RoxtarRyan: indarwinsshadow: 2 million miles subby? That's not a "near miss" by any stretch of the imagination. Inflated headlines suck.

So be fair, subby didn't create the definition of "near miss". I agree though, something that is 8 times the distance from the earth that the moon is shouldn't be considered a "near miss".

Yeah, but to people who measure distances in terms of AU and lightyears, 2.1 million miles is  incredibly close. Also, seems like the aliens' aim is getting better, since the next one is supposed to be only a million out.

This so makes me think of Starship Troopers.  Fun movie to watch, but there is no science to that science fiction whatsoever.  The attack that set the humans over the edge and decide to attack the bugs...  It was caused by a bug, on a distant planet, in another system altogether, hurling some bug plasma at an asteroid in OUR system, and causing it to plumet to Earth, killing millions.

There is pretty much nothing in physics that says:
1.  Any creature could possibly have such incredibly good aim, especially considering they lack any and all technology.  How the hell did they even know where our planet was?
2.  A ball of plasma could travel hundreds, if not thousands of light years in such a short period of time.

 
I am shocked to see that the best parody of propoganda ever made nailed it on the head right down to mocking the level of evidence often used to justify wars.
 
2014-02-18 04:44:40 PM  

Satanic_Hamster: What an Earth destroyer might look like:
[www.puertochan.org image 500x375]


It's unhealthy to hang out in my mind.

/ Thanks for this.
 
2014-02-18 04:45:00 PM  
No freaking problem.  We've been ready for this since the 70s.

stomptokyo.comView Full Size
 
2014-02-18 04:50:56 PM  

This text is now purple: Oldiron_79: Oldiron_79: hitlersbrain: A few football fields? That's pretty far from an earth killer. The little that was left after reentry might have made a decent crater but would hardly have been worthy of note unless it hit a populated area.

Just ran the calculator 3,900 megaton (7,800 tsar bombas) yield. You would not want to be within a couple hundred miles of it but its not K/T bad.

I typoed 78 tsar bombas. I got all discombobulated because calc was set for kilotons and we are talking megatons.

Wouldn't that be 7.8 Tsar Bombas then?

Although you'd probably have more damage from 8 actual Tsar Bombas than one hit that had 7.8 times the energy of Tsar Bomba. 8x the energy would only be around twice the radius of the actual TB.


Yes there are diminishing returns on 1 rediculous explosion vs 2 or 10 or 100 etc smaller explosions with the same yeild, hence the move to MIRV warheads instead of tsar bombas.
 
2014-02-18 04:51:36 PM  

jon787: durbnpoisn: Peki: RoxtarRyan: indarwinsshadow: 2 million miles subby? That's not a "near miss" by any stretch of the imagination. Inflated headlines suck.

So be fair, subby didn't create the definition of "near miss". I agree though, something that is 8 times the distance from the earth that the moon is shouldn't be considered a "near miss".

Yeah, but to people who measure distances in terms of AU and lightyears, 2.1 million miles is  incredibly close. Also, seems like the aliens' aim is getting better, since the next one is supposed to be only a million out.

This so makes me think of Starship Troopers.  Fun movie to watch, but there is no science to that science fiction whatsoever.  The attack that set the humans over the edge and decide to attack the bugs...  It was caused by a bug, on a distant planet, in another system altogether, hurling some bug plasma at an asteroid in OUR system, and causing it to plumet to Earth, killing millions.

There is pretty much nothing in physics that says:
1.  Any creature could possibly have such incredibly good aim, especially considering they lack any and all technology.  How the hell did they even know where our planet was?
2.  A ball of plasma could travel hundreds, if not thousands of light years in such a short period of time.
 
I am shocked to see that the best parody of propoganda ever made nailed it on the head right down to mocking the level of evidence often used to justify wars.


You know, you make a really good point.  I hadn't thought of it that way.
 
2014-02-18 04:52:51 PM  
It could be worse if something big hit the Moon at a shallow angle, which could put thousands of large ejecta fragments in our immediate vicinity, which could do months of raining down of 1,000 tonne regolith chunks.

So...could be worse. Our thick atmosphere tends to shatter all but the big iron 'uns.
 
2014-02-18 04:55:21 PM  

hitlersbrain: A few football fields? That's pretty far from an earth killer. The little that was left after reentry might have made a decent crater but would hardly have been worthy of note unless it hit a populated area.


This article seems to answer our question.

http://users.tpg.com.au/users/horsts/chapman4oecd.pdf
 
2014-02-18 04:55:24 PM  

here to help: lulzity Studman meme!!

uguizrsocool!1eleven

Seriously though... I'm already sick of her sh*t. Just look at those eyebrows. LOOK AT THEM!!!


quickmeme.comView Full Size
 
2014-02-18 04:57:54 PM  
Who cares about astroids ? The Viking Apocalypse is havening in a few days anyways .
 
2014-02-18 05:03:21 PM  
I would have been alright, I was in my basement.
 
2014-02-18 07:33:26 PM  

mjohnson71: hitlersbrain: A few football fields? That's pretty far from an earth killer. The little that was left after reentry might have made a decent crater but would hardly have been worthy of note unless it hit a populated area.

This article seems to answer our question.

http://users.tpg.com.au/users/horsts/chapman4oecd.pdf


3 km is 3,000 metres not 300, its 10 times the diameter and like 100 times the mass of a 300 metre.

3 km is the "block out the sun and cause the next K/T event" type threshold.

A 3 km asteroid is pretty much being hit by the fist of an angry God.
 
2014-02-18 07:45:27 PM  
Fun science fair project for your kids:  Stretch a large tarp between 3 or 4 chairs in your yard, and put a big-ass magnet in a ziplock bag, then toss it into the center of the tarp to create a shallow cone in the tarp. Leave it at least overnight, then carefully remove the still- bagged magnet and hold it over a large piece of white paper or cardboard. As you gently remove the magnet from the plastic bag, whatever was attracted to the magnet falls onto the white paper.  Look at these under a microscope, or put them on a flatbed scanner and run the scanner to over 300 dots per inch, max it out, save the scan as a tif file.

Behold the iron-based meteoric dust you recovered from the hundreds or thousands of tiny meteoroids that burn up overhead each day.

Variation on the tarp method:  Place the bagged magnet at the base of your home's roof downspout, and collect it after a rain storm. Do the rest of the experiment the same way.
 
2014-02-18 09:47:57 PM  

indarwinsshadow: 2 million miles subby? That's not a "near miss" by any stretch of the imagination. Inflated headlines suck.


No, that is a total miss.  A collision would be a near miss!

/Carlin
 
2014-02-18 11:19:18 PM  

Any Pie Left: Fun science fair project for your kids:  Stretch a large tarp between 3 or 4 chairs in your yard, and put a big-ass magnet in a ziplock bag, then toss it into the center of the tarp to create a shallow cone in the tarp. Leave it at least overnight, then carefully remove the still- bagged magnet and hold it over a large piece of white paper or cardboard. As you gently remove the magnet from the plastic bag, whatever was attracted to the magnet falls onto the white paper.  Look at these under a microscope, or put them on a flatbed scanner and run the scanner to over 300 dots per inch, max it out, save the scan as a tif file.

Behold the iron-based meteoric dust you recovered from the hundreds or thousands of tiny meteoroids that burn up overhead each day.

Variation on the tarp method:  Place the bagged magnet at the base of your home's roof downspout, and collect it after a rain storm. Do the rest of the experiment the same way.


w00t?

stardust
 
2014-02-18 11:26:15 PM  

TV's Vinnie: God dammit you asteroids! Quit teasin'!!!!!!


This. It's starting to look like I'll never get to see TSHTF.
 
2014-02-18 11:49:49 PM  
I can't can't get worried about it but I had a dream of 2 moons and the milky way or some galaxy was still really cler. Maybe I play to much Skyrim.
 
2014-02-19 12:53:41 AM  

Horatio Noseblower: "2014 BR57 will pass closer yet at 4.4 times the moon's distance on Thursday. "

What will happen when BR-549 comes?


It will make an O face
 
2014-02-19 01:40:48 AM  
Meh, I had a nice drem the other night. Therere were teo full mooms in the sky yet all th milky way as visible.
I maybe have played too much elder scrolls.
 
2014-02-19 02:44:43 PM  
Oddly enough, the asteroid didn't show up?

Maybe waiting for a more dramatic time to appear?
 
2014-02-19 04:32:56 PM  

here to help: USCLaw2010: Because People in power are Stupid: Meh.
[img.gawkerassets.com image 192x144]

[img.fark.net image 600x518]

Zero-g jugs

Kind of defeats the purpose if you're gonna have them strapped down so aggressively. Also... too flappy and she's got one of those corn fed derp faces. Do not want.


Dear Kate Upton, on behalf of the Fark community I apologize for this boorish remark. If you need anything, someone to talk to, a shoulder to cry on...
 
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