Astronomy is in the 520 section of the Dewey Decimal System.
Dewey classification is a way to classify non-fiction books in libraries.
The Dewey decimal classification system's 10 major categories are:000 Generalities100 Philosophy and Psychology200s - Religion300s - Social Sciences400s - Language / Linguistics500s -Pure Sciences & Mathematics600s - Technology (Applied Sciences)700s - Arts & Recreation800s - Literature900s - Geography & History92-biography F-fictionEach "hundred" is divided into ten divisions, and each "ten" into single digits and decimals, as the topics become more specific. There are a number of protocols used to assign Dewey numbers, which fill 4 volumes in the latest edition of DDC.Great link for far more detailhttp://www-lib.nearnorth.edu.on.ca/dewey/ddc.htm
500: Sciences. I don't know any further. Add to the answer.
James Dewey Watson
The Dewey Decimal Classification (DDC), or Dewey Decimal System, is a proprietary library classification system first published in the United States by Melvil Dewey in 1876.
Dewey Decimal is the classification system of the library.
Dewey decimal The classification system used in libraries is called the DEWEY Decimal Classification System. I hope this helped!
melvil dewey
The Dewey Decimal Classification, or Dewey Decimal System, was created by Melvil Dewey in 1876 as a way of organizing books in a library.
The Dewey Decimal System and the Library of Congress Classification System.
the Dewey decimal system
the classification system in a library is called the Dewey Decimal system
The Dewey Decimal System classification system is so important because it allows libraries to order the books correctly.
DDC is a library classification system invented in 1876.
The Dewey Decimal Classification is a system that libraries use to classify books. They are grouped in order of the type of books, using a numeric code. The reference location of legend in Dewey decimal classification system is 753
The Dewey Decimal Classification is a system that libraries use to classify books. They are grouped in order of the type of books, using a numeric code. The reference location of legend in Dewey decimal classification system is 753