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Originally, Astronomy Day occurred on a Saturday between mid-April and mid-May, and was scheduled so as to occur at or close to the first quarter Moon. In 2007, an autumn Astronomy Day was added. It was scheduled to occur on a Saturday between mid-September and mid-October so as to be on or close to the first quarter Moon.
Ancient Egypt Plan of a stone circle at Nabta, Egypt. Egyptian astronomy dates back to prehistoric times. The presence of stone circles at Nabta Playa in Upper Egypt from the 5th millennium BCE show the importance of astronomy to the religious life of ancient Egypt, even in the prehistoric period.
HEGRA es el acrónimo del inglés High-Energy-Gamma-Ray Astronomy o Astronomía de Rayos Gamma de Alta Energía. Fue un complejo de detectores que funcionó en el Observatorio del Roque de los Muchachos en la Isla de La Palma entre 1987 y 2002, año en el que fue desmantelado para dejar sitio al telescopio Cherenkov MAGIC .
An astronomer is a scientist who studies astronomy. Observational astronomers work in observatories with telescopes to collect information from things in outer space such as planets, stars, or galaxies. Theoretical astronomers study the collected information, and use it to help us understand how the universe behaves. Related pages
In astronomy, precession refers to any of several gravity-induced, slow and continuous changes in an astronomical body's rotational axis or orbital path. Precession of the equinoxes, perihelion precession, changes in the tilt of Earth's axis to its orbit, and the eccentricity of its orbit over tens of thousands of years are all important parts of the astronomical theory of ice ages .
26 de feb. de 2024 · Astronomy is a natural science that studies celestial objects and phenomena. It applies mathematics, physics, and chemistry, in an effort to explain the origin of those objects and phenomena and their evolution.
Theoretical astronomy is the use of analytical and computational models based on principles from physics and chemistry to describe and explain astronomical objects and astronomical phenomena. Theorists in astronomy endeavor to create theoretical models and from the results predict observational consequences of those models.
