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Nebula

Key Stage 3

An image of a small section of the Eagle Nebula.

Meaning

A nebula is a huge cloud of gas and dust where new stars are born.

Key Stage 4

Meaning

A nebula is a huge cloud of gas and dust stretching across space which collapses due to gravity to form stars.

About Nebulae

Nebulae can stretch many light years across and have enough mass to form many stars and solar systems.
Small regions of a nebula can begin to collapse under gravity to form a star.

References

AQA

Nebula, pages 275, 280, 284-5, 287-8, GCSE Physics; Student Book, Collins, AQA
Nebulae, page 100, GCSE Physics; The Revision Guide, CGP, AQA
Nebulae, pages 318, 319, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA

Edexcel

Nebula, page 122, GCSE Physics, Pearson Edexcel
Nebulae, page 187, GCSE Physics, CGP, Edexcel