Friday, November 12, 2010

APOD 2.3

two views, two crescents
Now that Venus is visible in the morning,  it can be seen with the waning crescent moon, at least for a few days.
What's nice is that in the second picture Venus does appear as a crescent even at first glance. What I am curious about though, is why in the first frame the planet appears as a gibbous, rather than the crescent in the right. not entire sure how the geometry is working there.

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