Stars Flashcard Review

Flashcard
•
Science
•
11th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the core of a star?
Back
The core is the central part of a star where energy is produced through nuclear fusion, making it dense and hot.
2.
FLASHCARD QUESTION
Front
What is a sunspot?
Back
A sunspot is a dark area of the photosphere that is cooler than the surrounding areas, formed in regions of strong magnetic fields.
3.
FLASHCARD QUESTION
Front
What are the main requirements for star formation?
Back
The main requirements for star formation are gravity and hydrogen. Heat is not required.
4.
FLASHCARD QUESTION
Front
What happens during the death stage of a star's life cycle?
Back
During the death stage, fusion stops, the core is crushed by gravity, and the star glows bright white, becoming a white dwarf.
5.
FLASHCARD QUESTION
Front
What is the photosphere?
Back
The photosphere is the visible surface of a star from which light is emitted.
6.
FLASHCARD QUESTION
Front
What is the corona of a star?
Back
The corona is the outermost layer of a star's atmosphere, extending millions of kilometers into space and visible during a solar eclipse.
7.
FLASHCARD QUESTION
Front
What is nuclear fusion?
Back
Nuclear fusion is the process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy, and is the primary source of energy in stars.
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