July 30, 2012
From Scientific American:
"An addictive real-time map of the sky showing when the planets and the moon are, or will be, visible,
plus great data on each planet's mass, orbit, and moons."
Free, the way we like it.
July 30, 2012 at 10:01 AM | Permalink
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Oh, I love that app! It has helped me out during many of my nightly strolls. :)
Posted by: Alice | Jul 30, 2012 11:41:42 AM
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