4ºA Information Technology Student Name:
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...
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4ºA Information Technology Student Name:
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 professional astronomy is n
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