Tuesday, February 21, 2012

Shadows and light

I was just looking at Jupiter and Venus, both in the west.  Venus looked slightly gibbous and Jupiter had Io's shadow on it.  It was neat to see that the shadowed part on Venus and Io's shadow both pointed towards the below-horizon sun (after correcting for the upside-down field of view).

I hadn't done much astronomy lately.  I did notice lately that Venus was getting very far in the sky from the sun, and it was gratifying to see this coordinated with the slightly more than half-illuminated face of it.  I suppose it will now be getting closer to it, culminating in the transit this summer.

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