<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/35ab4361-5a4b-4fe7-8a55-879d48539ec8/7B637A1D-B7B7-4C88-8B48-298254EB7C25/" 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://antwrp.gsfc.nasa.gov/apod/ap050401.html" href="http://antwrp.gsfc.nasa.gov/apod/ap050401.html" style="font-size: 11px;">antwrp.gsfc.nasa.gov</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antwrp.gsfc.nasa.gov/apod/ap050401.html"><P> <A href="http://antwrp.gsfc.nasa.gov/apod/archivepix.html">Discover the cosmos!</A> Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. </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://antwrp.gsfc.nasa.gov/apod/ap050401.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/antwrp.gsfc.nasa.gov/img/CBB56BB4-D13F-4E60-981D-011DC4D2D839" alt="See Explanation. Clicking on the picture will download the highest resolution version available." /></div></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://antwrp.gsfc.nasa.gov/apod/ap050401.html"><B> Water On Mars </B></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://antwrp.gsfc.nasa.gov/apod/ap050401.html"><P> <B> Explanation: </B> Can you help discover water on Mars? Finding water on different regions on Mars has implications for understanding its <A href="http://www.nasa.gov/lb/home/hqnews/2004/oct/HQ_04342_two_sites.html">complex geologic history</A>, the <A href="http://mars.jpl.nasa.gov/msp98/why.html">possible existence of past life</A> and the sustenance of <A href="http://www.esa.int/esaHS/ESAMUP0VMOC_future_0.html">potential future astronauts</A>. Many space missions have taken <A href="http://photojournal.jpl.nasa.gov/targetFamily/Mars?&subselect=refine:yes">photographs</A> of the surface of the red planet, and some of them might show a subtle clue pointing to <A href="http://antwrp.gsfc.nasa.gov/apod/ap050228.html">water</A> <A href="http://antwrp.gsfc.nasa.gov/apod/ap040303.html">on</A> <A href="http://antwrp.gsfc.nasa.gov/apod/ap011213.html">Mars</A> that has been missed. By close inspection of images, following curiosity, applying <A href="http://teacher.nsrl.rochester.edu/phy_labs/AppendixE/AppendixE.html">scientific principles</A>, applying knowledge about features on the Martian surface, and applying principles of <A href="http://en.wikipedia.org/wiki/Planetary_geology">planetary geology</A>, such clues might be brought to light. In the meantime, happy <A href="http://en.wikipedia.org/wiki/April_Fool's_Day">April Fool's Day</A> from the <A href="http://antwrp.gsfc.nasa.gov/apod/ap000616.html">folks</A> at <A href="http://apod.nasa.gov/">APOD</A>! </P></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/7B637A1D-B7B7-4C88-8B48-298254EB7C25/blog/" title="blog or email this clip"><img src="http://content7.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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