Transcript H-R diagram and star magnitude

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Magnitude or luminosity- The brightness of a
star
Apparent
magnitude
demonstration
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Apparent magnitude
Apparent
magnitude- how
bright a star
appears to us
fromEarth.
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The absolute truth!!!
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The absolute magnitude is the true
brightness of the star no matter where it is in
space!
So, do you think:
How bright a star is has anything to do with
how hot the star is?
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Scientist tried to find this out so they graphed
it.
The result was an Hertzsprung-Russell
Diagram
Pg 289- q on 307