What is the HR Diagram?
HR Diagram

Flashcard
•
Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The HR Diagram, or 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 components of the universe ordered from largest to smallest?
Back
Universe, Galaxy, Solar System, Star, Planet.
3.
FLASHCARD QUESTION
Front
What characterizes stars in area A of the HR Diagram?
Back
Stars in area A are described as Bright and Hot.
4.
FLASHCARD QUESTION
Front
What happens to stars as you move to the left on the HR Diagram?
Back
Stars get hotter.
5.
FLASHCARD QUESTION
Front
Which star has the lowest temperature in a given set?
Back
Star C has the lowest temperature.
6.
FLASHCARD QUESTION
Front
What best describes area B of the HR Diagram?
Back
Area B is characterized as Brighter and Cooler.
7.
FLASHCARD QUESTION
Front
What is the relationship between a star's temperature and its brightness?
Back
Generally, hotter stars are brighter, while cooler stars are dimmer.
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