The folks at spaceweather.com report that the International Space Station AND the Nano-Sail D satellite will be visible from North America this week. They provide a very handy on-line tool that lets you know when and where to look:
http://spaceweather.com/flybys/?PHPSESSID=iem8ec1ep115mnga8hjhh5p8p0
Here is an amazing image taken by an amateur astronomer in Florida:
Power standing wave null… solution
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Power standing wave null… more left readers with “homework” to create the
Pfwd and Prev traces. Remember that Pfwd and Prev are interpretations in
the cont...
4 hours ago
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