[meteorite-list] Shatter-cones on Itokawa

From: Charles O'Dale <codale0806_at_meteoritecentral.com>
Date: Fri, 20 Apr 2007 07:56:18 -0400
Message-ID: <006601c78342$e863c000$9af8684a_at_mdguo5m3tdnvnv>

http://www.space.com/php/multimedia/imagedisplay/img_display.php?pic=070419_ito_rocks_02.jpg&cap=A+close-up+of+larger+sized+regolith+on+the+surface+of+Itokawa.+They+are+weakly+organized+in+a+way+that+points+toward+the+upper-right+corner+of+the+image.+Credit%3A+Univ+Tokyo%2FJAXA

Some of these rocks "look like" they have the shatter-cone pattern on them.

Compare to a Manicouagan shatter-cone.

http://www.ottawa.rasc.ca/articles/odale_chuck/earth_craters/manicouagan/21_memory_bay_south_1a.jpg

Chuck
Charles O'Dale
President
Ottawa RASC
http://www.ottawa.rasc.ca/index.php
http://www.ottawa.rasc.ca/articles/odale_chuck/earth_craters/index.html


  -----Date: Thu, 19 Apr 2007 18:03:40 -0400
  From: Mal Bishop <magbish3 at lowcountry.com>
  Subject: [meteorite-list] Asteroid Jiggles Like a Jar of Mixed Nuts
  To: meteorite-list at meteoritecentral.com
  Message-ID: <5.1.0.14.2.20070419175953.02af25a0 at lowcountry.com>
  Content-Type: text/plain; format=flowed; charset=us-ascii





  "Like a jiggled jar of mixed nuts, shaking on the near-Earth asteroid
  Itokawa is sorting loose rock particles
  on its surface by size, causing the smallest grains to sink into
  depressions, a new study suggests. ..."

  http://www.space.com/scienceastronomy/070419_shaking_asteroid.html



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Received on Fri 20 Apr 2007 07:56:18 AM PDT