However, we can all accept that astronomy and astrology are similar looking words that are also somewhat related. Observational astronomy, which was the main form of astronomy elsewhere, was taken a step further in Greece: they attempted to build a model of the universe that could account for the observations.They explored all imaginable alternatives, they considered many different solutions for the various astronomical … Stonehenge is a famous example. in modern astronomy, any one of the sections into which the celestial sphere is divided in order to facilitate orientation in the stellar sky. Among other things, it was used to identify the first day of summer, the "summer solstice. Constellation definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. In modern astronomy, the leading cosmology is still the Big Bang theory, which claims that the universe began with a huge explosion that sent matter and energy spreading out in all directions. "Ancient astronomers could use it like a giant gunsight to determine when the sun was rising in a certain direction. In antiquity, however, constellations were the symbolic figures formed by bright stars. Learn more. See more. Modern principles of other fields, such as chemistry, medicine, and physics, for example, are integrated with those of biology in areas such as biochemistry, biomedicine, and biophysics. Astrology, type of divination that involves the forecasting of earthly and human events through the observation and interpretation of the fixed stars, the Sun, the Moon, and the planets. Albert Einstein and Max Plank were the pioneers of modern of physics as the first scientists to introduce the theory of … Modern physics is a branch of physics that is mainly concerned with the theory of relativity and quantum mechanics. Difference between astrology and astronomy in the simplest form is this; astronomy is a science while astrology is considered a pseudo-science by modern scientists. Astrophysics and astronomy are enjoying a new golden era, with remarkable observations in new wave bands (γ-rays, X-rays, infrared, radio) and in new fields: neutrino and (soon) gravitational wave astronomy. astronomy definition: 1. the scientific study of the universe and of objects that exist naturally in space, such as the…. cosmology and Star Trek. Astronomy is an area where the Greeks displayed a remarkable talent. 2. Astrophysics definition, the branch of astronomy that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in the interior of celestial bodies and in interstellar space. Astrophysics definition is - a branch of astronomy dealing especially with the behavior, physical properties, and dynamic processes of celestial objects and phenomena. 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