Five hundred years ago, Leonardo Da Vinci solved an ancient astronomical riddle:

The Da Vinci Glow

10.04.2005


Five hundred years ago, Leonardo Da Vinci solved an ancient astronomical riddle: the mystery of Earthshine.
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October 4, 2005: When you think of Leonardo Da Vinci, you probably think of the Mona Lisa or 16th-century submarines or, maybe, a certain suspenseful novel. That's old school. From now on, think of the Moon.

Little-known to most, one of Leonardo's finest works is not a painting or an invention, but rather something from astronomy: He solved the ancient riddle of Earthshine.

You can see Earthshine whenever there's a crescent Moon on the horizon at sunset. Look between the horns of the crescent for a ghostly image of the full Moon. That's Earthshine.


[link to science.nasa.gov]

Last Edited by Account Deleted by User on 06/10/2012 07:50 PM