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What are stars made of? How are they born, how do they live, and how do they die?Key facts
- Our nearest star is the Sun.
- A star is formed from a cloud of dust and gas, which shrinks under gravity and increases in temperature.
- There are three main types of star: main sequence, giants and white dwarves.
- When a star dies and explodes as a supernova, its elements are blown out into the Universe to form new stars and planets.
Transcript
Our nearest star is the Sun.
But our Sun is only one of countless billions of stars in the Universe...
Just like us, stars are born, age and die.
They are formed from clouds of dust, hydrogen, and helium gas, which shrink under gravity and heat up to make a star.
Astronomers group ...
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