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Stars - Coggle Diagram
Stars
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Definition
a massive self-luminous celestial body of gas that shines by radiation derived from it's internal energy sources
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galaxy
a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction
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Elements
To determine which elements are in a star we take the light from the star and pass it through a spectrometer to see all the colours being emitted and the absorption lines
If the absorption lines match up to those in a specific element then that means the element is in the star
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