This dimension groups concepts by which branch of space science they belong to, such as astrophysics, orbital mechanics or cosmology. Wikipedia notes that astronomy "uses mathematics, physics, and chemistry to explain" the universe, and that "cosmology is the branch of astronomy that studies the universe as a whole." Browsing this way keeps concepts from the same branch of the field together.
Facts
Comparison
Field Origin Era Subject Domain
Sources
1. Wikipedia: Physical cosmology
Wikimedia FoundationPhysical cosmology, lead sectionQuote, Physical cosmology, lead section
Physical cosmology, as it is now understood, began in 1915 with the development of Albert Einstein's general theory of relativity.
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