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        PreK-3

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        Part of Ready Jet Go!
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        Why Do Stars Twinkle? | Ready Jet Go!

        Twinkle twinkle, little star... but why do you twinkle in the first place? In this clip from Ready Jet Go!, Jet and the gang learn that every star gives off light, and the light bends and changes shape as it travels across space and through the Earth's atmosphere. Conversely, planets do not twinkle because they are much closer to Earth and their lights do not travel as far.

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