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astronomy

Astronomy is a natural science that deals with the study of celestial objects (such as stars, planets, comets, nebulae, star clusters 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. Prehistoric cultures left behind astronomical artifacts such as the Egyptian monuments, Nubian monuments and Stonehenge, and early civilizations such as the Babylonians, Greeks, Chinese, Indians, and Maya performed methodical observations of the night sky. 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 nowadays often considered to be synonymous with astrophysics. (wikipedia)

See Also

Astrology
NASA Astronomy Picture of the Day
astrophysics
Celestial
Earth
Figure 13.01a - Countless Spinning Stars about their common Neutral Center
Jupiter
Mars
Mercury
Moon
Part 22 - Solar Rings and Planetary Formation
Propositions of Astronomy
Sun
Uranus
Venus

Page last modified on Wednesday 25 of April, 2012 05:28:07 MDT

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