Physics P3 Stars and Space

Flashwith keywords and definitions of P3 Stars and Space

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  • Created by: Miranda
  • Created on: 21-05-11 19:00

Supernova

What is a Supernova ?

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Answer

An explosion of a star larger than the sun near the end of it' s life ( the remains create  a neutron star)

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Question

What is a Neutron Star?

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Answer

Dense core left after supernova explosion

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Question

What is required for a star to be stable?

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Answer

- Balanced forces

- inward force of gravity = outside pressure of gravity

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Question

How were stars formed?

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Answer

Formed from dust and gas - pulled together by gravitational attraction.

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Question

By which process does a protostar become a main cycle star?

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Answer

Nuclear Fusion - i.e. two smaller nuclei fusing to form a larger nuclei

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Question

What happens to a star when it does not have any more hydrogen nuclei?

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Answer

It becomes a hydrogen nuclei

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Question

What happens to stars larger than the Sun?

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Answer

They collapse and explode in a supernova.

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Comments

Hannah

this is really good knowledge :)

Miranda

Thank you very much :) I hope it helps :)

Shyan Ahmed

thanks

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