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12 April 2012 @ 08:24 pm
Geostationary Satellites  
Can you spot the stars that aren't moving?



Further explanations at NASA's astronomy picture of the day.

This entry was originally posted at http://purplecat.dreamwidth.org/64910.html.
 
 
 
wellinghallwellinghall on April 12th, 2012 07:36 pm (UTC)
Cool!
louisedennislouisedennis on April 13th, 2012 08:42 am (UTC)
It is, isn't it!