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    العربية: قطعة معالجة سطحيًا من حجر نيزكي حديدي، وتبدو عليه بلّورات سبيكة الحديد والنيكل على أشكال فيدمان شتيتن البلّورية
    English: Acid-etched iron meteorite slice, revealing the characteristic Widmanstatten pattern, indicative of slow cooling and crystallization within the iron-nickel cores of larger asteroids. Note the "vug" inclusion on the middle left of the slice. From the California Polytechnic State University Physics Department meteorite collection, presented at the April 2009 meeting of the Central Coast Astronomical Society. Photo by Cuesta College Physical Sciences Division instructor Dr. Patrick M. Len.
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    Source originally posted to Flickr as 090423-1080887
    Author Waifer X
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    This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 21 May 2010, 09:41 by Basilicofresco. On that date, it was confirmed to be licensed under the terms of the license indicated.
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    23 April 2009

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    current09:41, 21 May 2010Thumbnail for version as of 09:41, 21 May 20103,264 × 2,448 (2.51 MB)Flickr upload botUploaded from http://flickr.com/photo/47327870@N00/3586244186 using Flickr upload bot

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    allikas: https://en.wikipedia.org/wiki/File:Widmanstatten_hand.jpg