life cycle of a star

3 Factors that determine the brightness of a star ,[object Object],[object Object],[object Object],[object Object]

II. Size ,[object Object],[object Object]

III. Distance ,[object Object],[object Object]

Brightness Key Terms ,[object Object],[object Object],[object Object],[object Object]

1. Luminosity ,[object Object],[object Object],[object Object],Temperature 6000K 10,000K More luminous Size 6000K 6000K More luminous

2. Apparent Magnitude ,[object Object],[object Object],[object Object],[object Object],[object Object]

3. Absolute Magnitude ,[object Object],Earth Earth Sun- average star, Abs. Mag of +4.8 (less luminous, looks brighter because closer) Rigel- orion, Abs, Mag. of -6.4 (more luminous, further away) To Determine: apparent magnitude and distance to earth

Moving Stars? ,[object Object],Finger: left/right

Life Expectancy of a Star ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Life Cycle of a Star ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

All Stars ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hydrogen fuses into Helium in the Core. 4 H  1 He Creates great heat! E = mc 2

Fate determined by Size ,[object Object],[object Object]

[object Object],[object Object]

Low/Medium Mass Star - Sun ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Low/Medium Mass Star ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Low/Medium Mass Star ,[object Object],[object Object],[object Object],[object Object]

High Mass Star ,[object Object],[object Object],[object Object],[object Object],[object Object]

High Mass Star ,[object Object],[object Object],[object Object],[object Object]

Super Massive Stars ,[object Object],[object Object],[object Object]

High Mass Star ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

Life Cycle of Star http:// www.youtube.com/watch?v =YU6X3SPZAJo

life cycle of a star

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