H-R Diagram

Flashcard
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Science
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the H-R Diagram represent?
Back
The H-R Diagram (Hertzsprung-Russell Diagram) represents the relationship between the luminosity (brightness) of stars and their effective temperatures (color).
2.
FLASHCARD QUESTION
Front
Which color of star is the hottest?
Back
Blue stars are the hottest.
3.
FLASHCARD QUESTION
Front
Which color of star is the coldest?
Back
Red stars are the coldest.
4.
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 hot, while red stars are cooler.
5.
FLASHCARD QUESTION
Front
What are Giants in the context of the H-R Diagram?
Back
Giants are large stars that are more luminous than main-sequence stars but have lower temperatures.
6.
FLASHCARD QUESTION
Front
What are White Dwarfs in the context of the H-R Diagram?
Back
White Dwarfs are small, dense stars that are the remnants of stars that have exhausted their nuclear fuel.
7.
FLASHCARD QUESTION
Front
True or False: Giants are hotter than White Dwarfs.
Back
False. White Dwarfs are generally hotter than Giants.
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