"Gaz" asked:

Is the 'Venus casts a shadow' thing a myth or true for dark skies?


From a not-very-svelte Patrick Moore, writing in his book _Venus_ (2002),
p. 37:

... Venus can then cast perceptible shadows. I well remember
that some years ago, when I was at the La Silla Observatory in
the Atacama Desert of Chile, Venus was superb; I stood against
a white wall, and my shadow was very obvious indeed. Mind you,
I have to admit that I am rather good at casting shadows!

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Mark Gingrich San Leandro, California