Hertzsprung russell diagram

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  1. why do we use the hertzsprung russell diagram?
    We use it because it organizes stars from luminosity(on y axis) and temperature and colour (on x axis)
  2. how is it organized?
    • *the dim stars are on the bottom
    • *Bright stars on the top
    • *hot stars on the side closest to y axis
    • *cool stars on the other side
  3. What are the 4 categories
    • bright and hot (left,top corner)
    • bright and cool(right,top corner)
    • dim and hot(bottom,left corner)
    • dim and cool( bottom right corner)
Author:
Olivia14
ID:
4994
Card Set:
Hertzsprung russell diagram
Updated:
2010-01-24 21:32:10
Tags:
science
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Description:
astronomy
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