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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   ( divider line
    More: Scary, NASA, Earth  
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10651 clicks; posted to Main » on 18 Feb 2014 at 2:09 PM (4 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»

Voting Results (Smartest)
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2014-02-18 02:12:08 PM  
3 votes:
2 million miles subby? That's not a "near miss" by any stretch of the imagination. Inflated headlines suck.
2014-02-18 07:45:27 PM  
1 vote:
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 04:45:00 PM  
1 vote:
No freaking problem.  We've been ready for this since the 70s.

stomptokyo.comView Full Size
2014-02-18 04:41:52 PM  
1 vote:

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 03:45:23 PM  
1 vote:

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?

syntaxofthings.typepad.comView Full Size
2014-02-18 03:23:15 PM  
1 vote:
It must suck to be a NASA scientist (or their family).  Every time a plane flies by "THAT PLANE IS NEARLY GOING TO MISS US!!!!!"

relative to the distance to the edge of the galaxy
2014-02-18 03:17:20 PM  
1 vote:

LordJiro: Of course, "Near miss" means 'Several times farther away than the Moon'.

too bad, I was hoping for this
0.static.wix.comView Full Size
2014-02-18 02:15:37 PM  
1 vote:
Of course, "Near miss" means 'Several times farther away than the Moon'. And comparing these asteroids to the meteorite in Russia is a tad disingenuous. Any asteroid big enough to pose a serious threat to humanity isn't going to go unnoticed if it's heading our way. Not that there's anything we can really do about it if it does, but we'll know it's coming.
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