astronomer wikipedia - EAS
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Astronomer - Wikipedia
An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either observational (by analyzing the data) or theoretical astronomy.
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Xem thêmAstronomers usually fall under either of two main types: observational and theoretical. Observational astronomers make direct observations of celestial objectsand analyze the data. In contrast, theoretical astronomers
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Xem thêmHistorically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysicsattempted to explain these phenomena and the
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Xem thêmWhile there is a relatively low number of professional astronomers, the field is popular among amateurs. Most cities have amateur astronomy clubs that meet on a regular basis and often host star parties. The Astronomical Society of the Pacificis the largest general
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In early historic times, astronomy only consisted of the observation and predictions of the motions of objects visible to the naked eye. In some locations, early cultures assembled massive artifacts that possibly had some astronomical purpose. In addition to their ceremonial uses, these observatoriescould be employed to determine the seasons, an important factor in knowing …
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Astronomer - Wikipedia
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