The Notebooks of Leonardo Da Vinci

Contents:
Author: Leonardo da Vinci

911

The stars are visible by night and not by day, because we are beneath the dense atmosphere, which is full of innumerable particles of moisture, each of which independently, when the rays of the sun fall upon it, reflects a radiance, and so these numberless bright particles conceal the stars; and if it were not for this atmosphere the sky would always display the stars against its darkness.

[Footnote: See Vol. I, No. 296, which also refers to starlight.]

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Chicago: Leonardo da Vinci, "911," The Notebooks of Leonardo Da Vinci, trans. Richter, Jean Paul, 1847-1937 in The Notebooks of Leonardo Da Vinci (New York: Dover Publications, Inc., 1970), Original Sources, accessed August 17, 2022, http://www.originalsources.com/Document.aspx?DocID=4AN3L5QVE7RIPPV.

MLA: Vinci, Leonardo da. "911." The Notebooks of Leonardo Da Vinci, translted by Richter, Jean Paul, 1847-1937, in The Notebooks of Leonardo Da Vinci, New York, Dover Publications, Inc., 1970, Original Sources. 17 Aug. 2022. http://www.originalsources.com/Document.aspx?DocID=4AN3L5QVE7RIPPV.

Harvard: Vinci, LD, '911' in The Notebooks of Leonardo Da Vinci, trans. . cited in 1970, The Notebooks of Leonardo Da Vinci, Dover Publications, Inc., New York. Original Sources, retrieved 17 August 2022, from http://www.originalsources.com/Document.aspx?DocID=4AN3L5QVE7RIPPV.