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De Phenomenis in Orbe Lunae

De Phenomenis in Orbe Lunae is a 1612 book by Collegio Romano philosophy professor Giulio Cesare de Galla that presents the first account in the Western world of bioluminescence.

De Galla's inspiration came from Galileo's debate with Casciarolo regarding a "lapis solaris," a stone that emitted light seemingly on its own. In De Phenomenis de Galla asserts that the stone was only able to emit light after the stone itself had calcified. It released "a certain quantity of fire and light" that it had absorbed just as water would be absorbed by a sponge.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "De_Phenomenis_in_Orbe_Lunae". A list of authors is available in Wikipedia.
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