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Bookmark or Share- Astronomy | Definition of Astronomy by Merriam-WebsterThe Difference Between Astronomy and Astrology. Some may find it easy to confuse astronomy and astrology.At one time, these two words actually were synonymous (that is, astronomy once meant what astrology means today), but they have since moved apart from each other. In current use, astronomy is concerned with “the study of objects and matter outside the earth's atmosphere,” while ...
- Astronomy Picture of the DayA different astronomy and space science related image is featured each day, along with a brief explanation.
- astronomy | Definition & Facts | Britannica.comAstronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Until the invention of the telescope and the discovery of the laws of motion and gravity in the 17th century, astronomy was primarily concerned with noting and predicting the positions of the Sun, Moon, and planets, originally for calendrical and astrological purposes and later for navigational uses ...
- Astronomy | Define Astronomy at Dictionary.comThe scientific study of the universe and the objects in it, including stars, planets, nebulae, and galaxies. Astronomy deals with the position, size, motion, composition, energy, and evolution of celestial objects.
- Astronomy - Official SiteAstronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes ...
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