Gravitational bumpiness exaggerated.


	Gravitational bumpiness exaggerated.

shankargallery

7-18-2007 4:58 PM

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gravity

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7-18-2007 5:40 PM

ratilfar

Kewl!

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/d4a80d20-9654-4857-b729-a708cae81815/D1C9287E-CFE4-473C-A02F-2D3B665479DC/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.solstation.com/stars/earth.htm" href="http://www.solstation.com/stars/earth.htm" style="font-size: 11px;">www.solstation.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.solstation.com/stars/earth.htm"><P>
<FONT face="Arial" color="#000000"><FONT face="Arial" color="#000000"><A href="http://www.solstation.com/stars/ear1grav.jpg">
<IMG hspace="12" align="left" src="http://www.solstation.com/stars/ear-grav.jpg" /></A>
<SMALL><I><DIV>NASA -- <A href="http://www.solstation.com/stars/ear1grav.jpg">Larger</A> image</DIV>
<BR /><DIV>
Gravitational bumpiness exaggerated.  </DIV>
While Earth is a fairly uniform sphere, 
its gravitational field does vary by small 
fractions of a percent from place to place. 
Not only is the planet bumpy as the result 
of slow geological processes such as 
tectonic plate movements or polar ice cap 
changes, but these processes also create 
mass density variations that affect the 
local gravitational field 
(more from 
<A href="http://science.nasa.gov/headlines/y2001/ast30oct_1.htm">NASA</A> 
and 
<A href="http://antwrp.gsfc.nasa.gov/apod/ap011113.html">Astronomy 
Picture of the Day</A>).  <BR clear="left" /></I></SMALL></FONT></FONT></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.solstation.com/stars/earth.htm"><H1>Earth</H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.solstation.com/stars/earth.htm"><FONT size="1" face="Verdana, Arial" color="#ffffff">  
<A  href="http://www.solstation.com/stars/../index.html"><B>Home</B></A>  |  
<A  href="http://www.solstation.com/stars/../stars.htm"><B>Stars</B></A>  |   
<A  href="http://www.solstation.com/stars/../orbits.htm"><B>Orbits</B></A>  |   
<A  href="http://www.solstation.com/stars/../habitable.htm"><B>Habitability</B></A>  |  
<A  href="http://www.solstation.com/stars/../life.htm"><B>Life</B></A>  | </FONT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.solstation.com/stars/earth.htm"><FONT size="1" face="Verdana, Arial" color="#ffffff">  
          |  
<A  href="http://www.solstation.com/stars/sol-sum.htm"><B>System Summary</B></A>  |  
<A  href="http://www.solstation.com/stars/4planets.htm"><B>Rocky Inner Planets</B></A>  |  
<A  href="http://www.solstation.com/stars/asteroid.htm"><B>Main Asteroid Belt</B></A>  | 
<A  href="http://www.solstation.com/stars/jovians.htm"><B>Gas Giants</B></A>  |  
<A  href="http://www.solstation.com/stars/kuiper.htm"><B>E-K Belt & Dust Disk</B></A>  |  
<A  href="http://www.solstation.com/stars/oort.htm"><B>Oort Cloud</B></A>  | 
</FONT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.solstation.com/stars/earth.htm"><table background="undefined" bgcolor="#ffffff"><tr><TD valign="middle" nowrap="NOWRAP" height="20" bgcolor="#0000ff" colspan="4"><FONT size="1" face="Verdana, Arial" color="#ffffff">  
          |  
<A  href="http://www.solstation.com/stars/sol.htm"><B>Sol</B></A>  |   
<A  href="http://www.solstation.com/stars/mercury.htm"><B>Mercury</B></A>  |  
<A  href="http://www.solstation.com/stars/venus.htm"><B>Venus</B></A>  |  
<A  href="http://www.solstation.com/stars/earth.htm"><B>Earth</B></A>  |  
<A  href="http://www.solstation.com/stars/mars.htm"><B>Mars</B></A>  |  
<A  href="http://www.solstation.com/stars/jupiter.htm"><B>Jupiter</B></A>  |  
<A  href="http://www.solstation.com/stars/saturn.htm"><B>Saturn</B></A>  |  
<A  href="http://www.solstation.com/stars/uranus.htm"><B>Uranus</B></A>  |  
<A  href="http://www.solstation.com/stars/neptune.htm"><B>Neptune</B></A>  |  
<A  href="http://www.solstation.com/stars/dwarfpla.htm"><B>Dwarf Planets</B></A>  |  
<A  href="http://www.solstation.com/stars/oort.htm#sol-b"><B>Sol b?</B></A>  | 
</FONT></TD></tr></table></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/D1C9287E-CFE4-473C-A02F-2D3B665479DC/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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