What is a high mass star?
High Mass Stars

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Science
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
A high mass star is a star that has a mass greater than about eight times that of the Sun. These stars have shorter lifespans and undergo more complex fusion processes than lower mass stars.
2.
FLASHCARD QUESTION
Front
What happens during a supernova?
Back
During a supernova, a high mass star explodes, ejecting its outer layers into space at speeds of up to 10% of the speed of light.
3.
FLASHCARD QUESTION
Front
What is the role of iron in a high mass star's core?
Back
Iron forms in the core of a high mass star and absorbs energy, preventing further fusion reactions, which leads to the star's collapse.
4.
FLASHCARD QUESTION
Front
What element is produced when silicon fuses in a high mass star?
Back
When silicon fuses in a high mass star, it produces iron.
5.
FLASHCARD QUESTION
Front
What is explosive nucleosynthesis?
Back
Explosive nucleosynthesis is the process by which heavy elements are formed during the explosive events of a supernova.
6.
FLASHCARD QUESTION
Front
What is the significance of a star having more than eight times the mass of the Sun?
Back
A star with more than eight times the mass of the Sun can fuse carbon in its core, leading to more complex fusion processes and ultimately a supernova.
7.
FLASHCARD QUESTION
Front
What occurs when a star's core temperature rises significantly?
Back
When a star's core temperature rises significantly, it can lead to the fusion of heavier elements, such as silicon and iron.
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