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Star

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Key Stage 3

Meaning

The Sun is the closest star to Earth.

A star is a very large ball of gas in space that is glowing in visible light because it is so hot.

About Stars

The Sun is the closest star to Earth.
Stars come in many different sizes. Our Sun is a medium sized star called a Main Sequence Star.
Most stars in the Universe are smaller than The Sun and are often White Dwarfs. However, there are many stars that are much larger than The Sun and are often Red Giants or Red Super Giants.
Stars are held together in large groups called a Galaxy.
The Sun is the only star close enough to affect the Earth. Most stars are many light years away.
The closest star to The Sun is Alpha Centauri which is 4.23 Light Years away.
Stars.png
This image shows thousands of stars.

References

AQA

Star, pages 130, 274-5, 277, 290, GCSE Physics; Student Book, Collins, AQA
Star; life cycle, pages 275, 282-5, GCSE Physics; Student Book, Collins, AQA
Star; main sequence, pages 282-3, GCSE Physics; Student Book, Collins, AQA

Edexcel

Stars (life cycle), page 62, GCSE Physics; The Revision Guide, CGP, Edexcel
Stars, page 118, GCSE Physics, Pearson Edexcel
Stars; life cycles, pages 122-123, GCSE Physics, Pearson Edexcel

OCR

Stars, page 99, Gateway GCSE Physics; The Revision Guide, CGP, OCR
Stars, pages 238-239, Gateway GCSE Physics, Oxford, OCR

Beyond the Curriculum