<center>***TMW: OUTER SPACE ( WHAT IS A STAR )***</center>

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<center>*stars are huge balls of burning gas that are scattered throughout the universe.they burn for millions years,giving off both light and heat. stars produce energy by a process called nuclear fusion. the coolest stars are red and dim m while the hottest stars give off blue-white light the temperatures on their surface range from3,5000'c for cooler stars to over 40,000'c for the hottest stars. a new star is born when gas and dust are  drawn together by gravity,forming a hugge clump. it heats up until nuclear fusion begins, and the new star appears in the sky*</center>

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*FACT FILE*

![1](https://i.ytimg.com/vi/-IlGUlKoEic/maxresdefault.jpg)

<center>*stars die when they eventually use up all their fuel and burn out but this process take many millions of years. toward the end of its life, a star starts to run out of hydrogen to power its nuclear fusion. it starts to cool, becoming a red giant.*</center>

<pre><code>Reference:
The Big Book of tell me why( Chancellor Press )</code></pre>

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