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==Key Stage 3==
===Meaning===
[[File:TheSun.png|right|300px|thumb|[[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|visible light]] because it is so hot.
: [[Star]]s 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 Year|light years]] away.
{| class="wikitable"
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|[[File:Stars.png|center|400px]]
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| style="height:20px; width:200px; text-align:center;" |This image shows thousands of [[star]]s.
|}