Category:Astronomy
From OpenWordBase
The scientific study of matter in outer space, especially the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial bodies and phenomena.
Astronomy is the science that deals with the material universe beyond the earth's atmosphere, including stars, planets, constellations, orbit, and space.
Etymology
1205, from O.Fr. astronomie, from L. astronomia, from Gk. astronomia, from astron "star" (from PIE base *ster- "star") + nomos "arranging, regulating," related to nemein "to deal out" (see numismatics). Used earlier than astrology and originally including it. Astronomical is 1556 as "concerning astronomy;" as "concerning very large figures" it dates from 1899. Astrophysics first recorded 1869.
— source: Online Etymology Dictionary, 2008. Douglas Harper, Historian.
Articles in category "Astronomy"
There are 9 articles in this category.
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