In 1962, astronomer Edwin Hubble decided to classify galaxies according to a logical scheme. he eventually decided to classify them according to their shape. Today, galaxies are divided into four main groups: spiral, barred spiral, elliptical, and irregular.
The classification system used today, known as the Linnaean system, was devised by Swedish botanist Carl Linnaeus in the 18th century. It is based on hierarchical levels like kingdom, phylum, class, order, family, genus, and species.
The Köppen climate classification system was developed by German botanist and climatologist Wladimir Köppen in the early 20th century. He first published his classification system in 1900 and it has since become one of the most widely used methods for classifying climates around the world.
Astronomy falls under the Dewey Decimal classification number 520. This section covers general science and includes topics such as celestial bodies, galaxies, and the universe. Within this category, specific topics in astronomy will be further categorized based on their content.
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yes they do