What spectral class does our star, the sun, belong to?
HR Diagram Practice

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Science
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
G
2.
FLASHCARD QUESTION
Front
What are the three types of galaxies?
Back
Spiral, Elliptical, Irregular
3.
FLASHCARD QUESTION
Front
What happens to stars as we move to the left on the HR diagram?
Back
Stars get hotter.
4.
FLASHCARD QUESTION
Front
Which type of star is the hottest?
Back
Blue Star.
5.
FLASHCARD QUESTION
Front
Which star has the lowest temperature?
Back
Red Star.
6.
FLASHCARD QUESTION
Front
What is the main purpose of the HR diagram?
Back
To classify stars based on their luminosity and temperature.
7.
FLASHCARD QUESTION
Front
What does the vertical axis of the HR diagram represent?
Back
Luminosity of stars.
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