4ºA Information Technology Student Name: Alejandro Mércuri
Astronomy
Astronomy (from the Greek words astron (ἄστρον) "star" and
nomos (νόμος) "law") is the scientific study of celestial objects (such as
stars, planets, comets, and galaxies) and phenomena...
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4ºA Information Technology Student Name: Alejandro Mércuri
Astronomy
Astronomy (from the Greek words astron (ἄστρον) "star" and
nomos (νόμος) "law") is the scientific study of celestial objects (such as
stars, planets, comets, and galaxies) and phenomena that originate
outside the Earth s atmosphere (such as the cosmic background
radiation).
It is concerned with the evolution, physics, chemistry,
meteorology, and motion of celestial objects, as well as the formation
and development of the universe.
Astronomy is one of the oldest sciences.
Astronomers of early civilizations performed
methodical observations of the night sky, and astronomical artifacts have been found from
much earlier periods.
However, the invention of the telescope was required before astronomy
was able to develop into a modern science.
Historically, astronomy has included disciplines as
diverse as astrometry, celestial navigation, observational astronomy, the making of calendars,
and even astrology, but professio
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