4oA Information Technology Student Name:
Astronomy
Astronomy (from the Greek words astron ( στρον) "star" and nomos (νόμος) "law") is theἄ
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 ( στρον) "star" and nomos (νόμος) "law") is theἄ
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
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