Bell, Jim, <br/><br/>
In Search of Martian Seas. 
Jim Bell. 
 -  Sky & Telescope,  2005. 
 - SIRS Enduring Issues 2006.  Article 46,  Science,  1522-3264; .
<br/><br/> Articles Contained in SIRS Enduring Issues 2006.  Originally Published: In Search of Martian Seas, March 2005; pp. 40-47. 
<br/><br/> "Outliving their planned lifetimes more than three times over, the twin rovers Spirit and Opportunity have explored the Martian surface for nearly a year and have provided eager researchers with abundant evidence of the planet's watery past." (SKY & TELESCOPE) This article discusses data sent back from Mars by the Spirit and Opportunity rovers as they continue to operate effectively. 
<br/><br/><label>ISSN: </label>1522-3264; 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mars vehicles<br/>Space flight to Mars--Exploration Rover mission
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mars (Planet)--Atmosphere<br/>Mars (Planet)--Exploration<br/>Mars (Planet)--Geology<br/>Mars (Planet)--Water
<br/><br/><label>LC Class. No.: </label>AC1.S5 
<br/><br/><label>Dewey Class. No.: </label>050