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Wednesday, October 2, 2013

Spectral Theory

Filed under: General — Tags: — m759 @ 5:24 PM

Peter J. Cameron attributes failure of his usual
link to the NASA "Astronomy Picture of the Day"
(APOD) to the US government shutdown, and
gives a substitute link.

Here is yet another substitute link, this one
specifically to today's  picture —

"All the Colors of the Sun."

Related literary remarks by Nabokov —

Among the many exhilarating things Lake taught
was that the order of the solar spectrum is not
a closed circle but a spiral of tints from cadmium
red and oranges through a strontian yellow and a
pale paradisal green to cobalt blues and violets,
at which point the sequence does not grade into
red again but passes into another spiral, which
starts with a kind of lavender gray and goes on to
Cinderella shades transcending human perception.

Pnin

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