February 25, 2009
Marching Mars
— devadutta @ 11:59 pm, GMT +0000 ( 1235606355 ) 
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Answer:
Retrograde motion of Mars. One of the first things we learned in Astronomy Olympiad classes :)
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February 26th, 2009 at 12:18 am, GMT +0000 ( 1235607496 )
Retrograde motion of mars.
hehe… good i took up astronomy this sem :)
February 26th, 2009 at 12:19 am, GMT +0000 ( 1235607588 )
Retrograde motion of Mars
February 26th, 2009 at 12:32 am, GMT +0000 ( 1235608339 )
Retrograde motion of Planets
February 26th, 2009 at 1:18 am, GMT +0000 ( 1235611121 )
retrograde motion
February 26th, 2009 at 1:32 am, GMT +0000 ( 1235611953 )
Retrograde motion
February 26th, 2009 at 1:41 am, GMT +0000 ( 1235612489 )
The Opposition of Mars, when the Earth and Sun and Mars are at opposite sides of earth
February 26th, 2009 at 1:59 am, GMT +0000 ( 1235613555 )
Mars in retrograde motion.
http://mars.jpl.nasa.gov/allab.....sky04.html
February 26th, 2009 at 2:00 am, GMT +0000 ( 1235613640 )
Apparent retrograde motion of Mars as seen from Earth
February 26th, 2009 at 2:30 am, GMT +0000 ( 1235615437 )
Retrograde Motion of mars
http://www.lasalle.edu/~smiths.....ograd.html
February 26th, 2009 at 2:59 am, GMT +0000 ( 1235617158 )
Retrograde Motion
February 26th, 2009 at 2:59 am, GMT +0000 ( 1235617160 )
Retrograde Motion..
February 26th, 2009 at 3:49 am, GMT +0000 ( 1235620187 )
The Retrograde Loop of Mars, 1997
February 26th, 2009 at 3:58 am, GMT +0000 ( 1235620734 )
Retrograde motion, of Mars in this case.
February 26th, 2009 at 4:37 am, GMT +0000 ( 1235623026 )
Retro => Backwards
Gradi => Move
What results, is the retrograde motion, in this case, the apparent retrograde motion of Mars, as observed in ‘97
February 26th, 2009 at 4:54 am, GMT +0000 ( 1235624060 )
The Mars PathFinder.
February 26th, 2009 at 6:38 am, GMT +0000 ( 1235630309 )
Retrograde Loop of Mars, 1997
February 26th, 2009 at 6:55 am, GMT +0000 ( 1235631329 )
Retrograde Loop of Mars.
February 26th, 2009 at 7:42 am, GMT +0000 ( 1235634165 )
Mars retrograde
February 26th, 2009 at 9:25 am, GMT +0000 ( 1235640317 )
Mars sign in astrology tables
February 26th, 2009 at 10:22 am, GMT +0000 ( 1235643731 )
Retrograde motion.
February 26th, 2009 at 11:03 am, GMT +0000 ( 1235646216 )
Retrograde Motion of mars
February 26th, 2009 at 12:11 pm, GMT +0000 ( 1235650278 )
retrogression of mars
February 26th, 2009 at 1:57 pm, GMT +0000 ( 1235656633 )
Retrograde motion of Mars
February 26th, 2009 at 5:45 pm, GMT +0000 ( 1235670300 )
Mars Retrograde Loop
February 26th, 2009 at 6:06 pm, GMT +0000 ( 1235671583 )
retrogade motion.
February 27th, 2009 at 9:39 am, GMT +0000 ( 1235727577 )
retrograde motion of Mars.