Difference between revisions of "March 21, 2004"

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=Fold a Moon=
 
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<table width="640"  border="0" align="center" cellpadding="6" cellspacing="2">
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      <td width="50%"><h2 align="left">Fold a Moon</h2></td>
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  <td width="50%"><h2 align="right">March 21, 2004</h2></td>
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<table width="85%"  border="0" align="center" cellpadding="6" cellspacing="2">
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      <td colspan="2"><div align="center">
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<IMG SRC="images/LPOD-2004-03-21.jpeg" NAME="main_image" width="899" height="425" border="0"></div>
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      <td><div align="center" span class="main_sm">Image Credit:  [mailto:publisher@solarviews.com Calvin J. Hamilton]</div></td>
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    </tr>
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  </p>
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<table class="story" border="0" bgcolor="#FFFFFF" width="90%" cellpadding="10" align="center"><tr><td>
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  <p class="story" align="center"><b>Fold a Moon </b></p>
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  <p class="story" align="left">        Is it a globe if it has 20 sides? Not really, but its close enough to be a useful 3-D rendition of the Moon. Go
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        to Calvin Hamilton's [http://planetscapes.com/maps/ico.html web site] to download a larger version of
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        this image, and then with, scissors, glue or two-side tape, fold yourself a Moon. Although your Moon will be only
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        2.75" across, it is large enough to see relationships you miss on a flat map. In fact, even on the unfolded
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        version above you can see that the biggest arc on the Moon isn't the Apennine or Altai mountains, its the
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        shoreline of Oceanus Procellarum. In fact, two scientists independently proposed that Procellarum fills the
 +
        western half of the Moon's oldest and largest impact basin - Gargantuan. The eastern side of the basin as been
 +
        disfigured by later forming Imbrium and Serenitatis, but traces of its rim are visible from Sinus Medii to
 +
        Julius Caesar. Twirl your globe around to look for other surprises! Or revisit the web site to download globes of
 +
        other planets and moons - you can make your own miniature solar system. And these would be great activities for kids!
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</p>
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  <p><b>Technical Details:</b><br>
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  This image is based on the US Geological Survey artistic depiction of the lunar surface, which
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Calvin Hamilton has replotted to assemble into a folded icosahedron. CAW has darkened and sharpened
 +
the image to compensate for reducing the image scale.  </p>
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  <p class"story"><b>Related Links:</b><br>
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[http://www.solarviews.com/eng/moon.htm The Moon]</p>
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  <p class"story"> <b>Tomorrow's LPOD:</b> Double Planet</p>
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  <p><img src="../../../MainPage/spacer.gif" width="640" height="1"></p>
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  </td></tr>
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</table>
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      <td><hr width="640"></td>
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      </tr>
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      <td>
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  <p align="center" class="main_titles"><b>Author & Editor:</b><br>
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      [mailto:chuck@observingthesky.org Charles A. Wood]</p>
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      <p align="center" class="main_titles"><b>Technical Consultant:</b><br>
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      [mailto:anthony@perseus.gr Anthony Ayiomamitis]</p>
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      <p align="center" class="main_titles"><b>[mailto:webmaster@entropysponge.com Contact Webmaster]</b></p>
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      <p align="center" class="main_titles"><b>A service of:</b><br>
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      <a class="one" href="http://www.observingthesky.org/">ObservingTheSky.Org</a></p>
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      <p align="center" class="main_titles"><b>Visit these other PODs:</b> <br>
 +
      <a class="one" href="http://antwrp.gsfc.nasa.gov/apod/astropix.html">Astronomy</a> | <a class="one" href="http://www.msss.com/">Mars</a> | <a class="one" href="http://epod.usra.edu/">Earth</a></p></td>
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      </tr>
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</table>
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<p>&nbsp;</p>
  
  

Revision as of 14:36, 4 January 2015

Fold a Moon

Fold a Moon

March 21, 2004
<IMG SRC="images/LPOD-2004-03-21.jpeg" NAME="main_image" width="899" height="425" border="0">
Image Credit: Calvin J. Hamilton

Fold a Moon

Is it a globe if it has 20 sides? Not really, but its close enough to be a useful 3-D rendition of the Moon. Go to Calvin Hamilton's web site to download a larger version of this image, and then with, scissors, glue or two-side tape, fold yourself a Moon. Although your Moon will be only 2.75" across, it is large enough to see relationships you miss on a flat map. In fact, even on the unfolded version above you can see that the biggest arc on the Moon isn't the Apennine or Altai mountains, its the shoreline of Oceanus Procellarum. In fact, two scientists independently proposed that Procellarum fills the western half of the Moon's oldest and largest impact basin - Gargantuan. The eastern side of the basin as been disfigured by later forming Imbrium and Serenitatis, but traces of its rim are visible from Sinus Medii to Julius Caesar. Twirl your globe around to look for other surprises! Or revisit the web site to download globes of other planets and moons - you can make your own miniature solar system. And these would be great activities for kids!

Technical Details:
This image is based on the US Geological Survey artistic depiction of the lunar surface, which Calvin Hamilton has replotted to assemble into a folded icosahedron. CAW has darkened and sharpened the image to compensate for reducing the image scale.

Related Links:
The Moon

Tomorrow's LPOD: Double Planet

<img src="../../../MainPage/spacer.gif" width="640" height="1">

Author & Editor:
Charles A. Wood

Technical Consultant:
Anthony Ayiomamitis

Contact Webmaster

A service of:
<a class="one" href="http://www.observingthesky.org/">ObservingTheSky.Org</a>

Visit these other PODs:
<a class="one" href="http://antwrp.gsfc.nasa.gov/apod/astropix.html">Astronomy</a> | <a class="one" href="http://www.msss.com/">Mars</a> | <a class="one" href="http://epod.usra.edu/">Earth</a>


 


COMMENTS?

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