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Space in close-up.

 
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Twelfth Monkey
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PostPosted: Thu Oct 22, 2015 3:07 pm    Post subject: Space in close-up.  Reply with quote

Well, bits of it.  First stab at some close-up shots of my little meteorite menagerie.  My camera is a cheap point-and-shoot jobbie, and I don't think I'm too fussed about getting something else for this purpose.  As per most modern tellies , mine has an SD slot, and it makes looking at photos much more enjoyable, and much more detail is visible because of sheer screen size.  So, I did some of these and thought I'd share them.  They aren't all as good as I'd like, but I'm quite pleased with some given kit and inexperience:

Campo del Cielo:









Chondrite:





Dronino, in need of a spot of WD40:



Pallasite:







 

Muonionalusta:









Moon:



Mars:








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Alf McQueef
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PostPosted: Thu Oct 22, 2015 5:04 pm    Post subject: Reply with quote

Loving the first, iron, one and also the cross section. The first one looks properly messed up by the ravages of space!
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JohnC
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PostPosted: Thu Oct 22, 2015 5:34 pm    Post subject: Reply with quote

It looks as though there is plenty of scope for some space mining if/when we run out of metals on earth!
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Twelfth Monkey
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PostPosted: Fri Oct 23, 2015 9:16 am    Post subject: Reply with quote

I love the feeling of order within chaos.  The patterns within can be truly stunning.  This one is estimated to fractionally older than the Earth (and be a part of the oldest meteorite yet found), to have fallen about a million years ago in Scandinavia and to have been through four ice ages.  The edge does indeed look to have had something of a hard life.


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Stuntman
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PostPosted: Fri Oct 23, 2015 1:05 pm    Post subject: Reply with quote

How big are these pieces, Twelfth?  The first one, especially.
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Twelfth Monkey
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PostPosted: Fri Oct 23, 2015 3:20 pm    Post subject: Reply with quote

First one is about 3" across the longest section - doesn't stop it weighing 700g, and being very tactile.  Chondrite is just over 2", Pallasite and Dronino similar, Muonionalusta is about 6", Moon just over 1" and Mars less than 1".  From a variety of places, but one in particular if you're thinking it (or something like it) might qualify as a piece of art for the home!  He has lots of Campos in varying sizes, including a piece weighing in at 25kg, I believe...

https://en.wikipedia.org/wiki/Campo_del_Cielo
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PhilD
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PostPosted: Fri Oct 23, 2015 3:34 pm    Post subject: Reply with quote

Come on 12th, you should know to photograph them next to a ruler!
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Twelfth Monkey
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PostPosted: Fri Oct 23, 2015 3:47 pm    Post subject: Reply with quote

The convention seems to be to show a 1cm cube!  As a rank amateur, I have no such item...
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Stuntman
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PostPosted: Fri Oct 23, 2015 5:48 pm    Post subject: Reply with quote

A dice* must be a decent proxy?

(* I know...)
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Stuntman
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PostPosted: Fri Oct 23, 2015 5:50 pm    Post subject: Reply with quote

And not space-related, but how big's the dinosaur poo?
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Twelfth Monkey
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PostPosted: Sat Oct 24, 2015 9:17 am    Post subject: Reply with quote

A couple of inches.  But then they're only a fiver or so!
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PhilD
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PostPosted: Sat Oct 24, 2015 10:14 am    Post subject: Reply with quote

Twelfth Monkey wrote:
The convention seems to be to show a 1cm cube!  As a rank amateur, I have no such item...


50p piece?
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Blarno
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PostPosted: Sat Oct 24, 2015 11:14 am    Post subject: Reply with quote

Pallasite looks awesome, almost like a futuristic Mother of Pearl.
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Blarno is right
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PhilD
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PostPosted: Sat Oct 24, 2015 11:36 am    Post subject: Reply with quote

The Widmanstätten pattern in the Muonionalusta is fascinating.
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Roadsterstu
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PostPosted: Sat Oct 24, 2015 1:15 pm    Post subject: Reply with quote

Stuntman wrote:
And not space-related, but how big's the dinosaur poo?


I was going to ask for some pics of the dino poo!
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Twelfth Monkey
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PostPosted: Sun Oct 25, 2015 6:17 pm    Post subject: Reply with quote

Blarno wrote:
Pallasite looks awesome, almost like a futuristic Mother of Pearl.


Only around 1% of meteorites are stony/iron, i.e. a combination of the two more common types.  These are from the boundaries from where planetoids were formed, and melted by radioactive decay.  Gravity then pulls the heavier metal down to the core - so the boundary is an unusual place.  Lovely, aren't they?

Phil, if you knew what that was called without looking it up, I'm genuinely impressed!  As I am that you know how to type an umlaut.

Stu, see here:

http://themotor.myfastforum.org/about22275.html
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PhilD
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PostPosted: Sun Oct 25, 2015 6:27 pm    Post subject: Reply with quote

Twelfth Monkey wrote:


Phil, if you knew what that was called without looking it up, I'm genuinely impressed!  As I am that you know how to type an umlaut.



**cough cough* of course I did...
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PhilD
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PostPosted: Sun Oct 25, 2015 6:31 pm    Post subject: Reply with quote

Stuntman wrote:
And not space-related, but how big's the dinosaur poo?


You'd like to think they were size of a coffee table.
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Twelfth Monkey
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PostPosted: Sun Nov 01, 2015 3:51 pm    Post subject: Reply with quote

My brother has both considerably more talent and better equipment than I, so I asked him to see if he could get a shot of the small, metallic part that you can see on this one, which also contains little white flecks (CAIs - Calcium-Aluminium rich Inclusions) which are the oldest things we have first-hand experience of, though it seems that the one containing the oldest known of these isn't available commercially.  Tsk.

I reckon the area with the gold flecks is less than one mm across and was shot with a macro lens:



https://en.wikipedia.org/wiki/Allende_meteorite
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Twelfth Monkey
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PostPosted: Fri Jan 01, 2016 12:31 pm    Post subject: Reply with quote

This is what the iron Campos look like in cross section:







This (Canyon Diablo)...





...is a small part of what caused this:



https://en.wikipedia.org/wiki/Meteor_Crater

Colloquially known as a Starry Night, for obvious reasons:



And something clearly showing the original circular chondrules that are usually melted or otherwise worn:


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PhilD
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PostPosted: Fri Jan 01, 2016 12:58 pm    Post subject: Reply with quote

12, one of the few people who would have been happy with the clichéd lump of rock in his Christmas stocking...
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Twelfth Monkey
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PostPosted: Fri Jan 01, 2016 4:05 pm    Post subject: Reply with quote

Cheeky monkey!  These weren't Crimbo presents, just the stuff I've bought since I last posted.  But is coal a rock?

EDIT: Wikipedia says so!
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PhilD
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PostPosted: Mon Jan 04, 2016 8:02 pm    Post subject: Reply with quote

It's sedimentary my dear 12th.
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Twelfth Monkey
Nuclear

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PostPosted: Tue Jan 05, 2016 11:42 am    Post subject: Reply with quote

Is there an emoticon for a grimace bought about by a lamentable pun?
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Twelfth Monkey
Nuclear

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Location: The Fortress of Ultimate Darkness; that or the pub.

PostPosted: Sat Apr 30, 2016 5:04 pm    Post subject: Reply with quote

Collection largely finished now.  A few blanks that I might be able to fill, and a few I know are likely to remain as what I have categorised as FFC.  That's Fat Fucking Chance.








Gives away a bit about the film and book collection - a few dodgy ones in the former.  These are, of course, not 'mine'...


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