What does the H-R Diagram represent?
Review over HR Diagram

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Science
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8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The H-R Diagram (Hertzsprung-Russell Diagram) is a scatter plot that shows the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.
2.
FLASHCARD QUESTION
Front
What are the main regions of the H-R Diagram?
Back
The main regions of the H-R Diagram include the Main Sequence, Red Giants, Supergiants, and White Dwarfs.
3.
FLASHCARD QUESTION
Front
What type of stars are found in the Main Sequence?
Back
The Main Sequence contains stars that are fusing hydrogen into helium in their cores, including our Sun.
4.
FLASHCARD QUESTION
Front
What characterizes stars in the upper right of the H-R Diagram?
Back
Stars in the upper right are typically Red Giants or Supergiants, which are large and luminous but cooler in temperature.
5.
FLASHCARD QUESTION
Front
What characterizes stars in the lower left of the H-R Diagram?
Back
Stars in the lower left are typically hot and dim, often being White Dwarfs.
6.
FLASHCARD QUESTION
Front
How does temperature change across the H-R Diagram?
Back
As you move from right to left on the H-R Diagram, the temperature of the stars increases.
7.
FLASHCARD QUESTION
Front
What is the relationship between a star's color and its temperature?
Back
A star's color indicates its temperature; blue stars are the hottest, followed by white, yellow, orange, and red stars, which are the coolest.
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