Life Cycle Ofthe Stars

Topics: Star, Nuclear fusion, Stellar evolution Pages: 4 (1477 words) Published: March 16, 2006

The Life Cycle of the Stars
SCI 350
January 12, 2006

Stars come in many definitions and in many forms today, there are Rock Stars, Movie Stars, There is even star shaped cereal for children but the most important stars we have our in our solar system. Lets look at the stars in the sky and space their origins of birth there attributes of life and there accolades in death.

The Life Cycle of the Stars
To discover the stars origin we look for its definition in Merriam Webster's Dictionary and we find almost an entire galaxy of definitions. "Star
56 entries found for star. The first 2 are listed below.
Main Entry: 1star
Pronunciation: 'stär
Function: noun
Usage: often attributive
Etymology: Middle English sterre, from Old English steorra; akin to Old High German sterno star, Latin stella, Greek astEr, astronomer 1 a : a natural luminous body visible in the sky especially at night b : a self-luminous gaseous celestial body of great mass which produces energy by means of nuclear fusion reactions, whose shape is usually spheroidal, and whose size may be as small as the earth or larger than the earth's orbit 2 a (1) : a planet or a configuration of the planets that is held in astrology to influence one's destiny or fortune -- usually used in plural (2) : a waxing or waning fortune or fame b obsolete :"( Merriam Webster 2005)

Since there are actually 56 entries in the dictionary I choose the first two so as to key on a star of the solar system. Light is a very important part of a stars life because light, is what a star emits and makes it visible to us. Through the studying of starlight it was discovered that the Earth orbits the sun. also the aberration of starlight eventually lead to the discovery of stellar parallax in 1838.There are many forms of photons and electromagnetic waves and because of the various forms and shapes we are able to study star by the light that they emit. In the Hierarchy of the...

References: Bennett, Donahue, Schneider, Voit. (2004). The Cosmic Perspectives third
edition. Pearson Addison Wesley.
Electromagnetic Radiation( 1998-2005). Retrieved January 12, 2005 from
Merriam Webster Online (2005). Star. Retrieved January 12, 2005 from
MilkyWay.Com (2005). Evolution of Stars. Retrieved January 1, 2005 from
Wikipedia (2005). Stars. Retrieved January 12, 2005 from
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