
Star Clusters Flashcard
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the turnoff point on the main sequence?
Back
The point where stars move away from the main sequence.
2.
FLASHCARD QUESTION
Front
How does the color of stars in a cluster relate to their temperature?
Back
Blue stars are hotter than red stars.
3.
FLASHCARD QUESTION
Front
How do stars form?
Back
Stars form when a nebula collapses and nuclear fusion occurs.
4.
FLASHCARD QUESTION
Front
What indicates that the Beehive cluster is older than the Pleiades cluster?
Back
The Beehive cluster has stars that have moved to the right of the main sequence.
5.
FLASHCARD QUESTION
Front
What is the name of the gas/dust clouds that form stars?
Back
Nebulas.
6.
FLASHCARD QUESTION
Front
What is a star cluster?
Back
A group of stars that are physically related and formed from the same giant molecular cloud.
7.
FLASHCARD QUESTION
Front
What is the main sequence in a Hertzsprung-Russell diagram?
Back
A continuous band of stars that shows a relationship between luminosity and temperature.
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