Wonders from Winter Camp / Stardust

#8

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• D

#9

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• D

#10

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#11

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#12

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#13

• When meteor showers occur /

  How big the sun is compared to Earth

• When meteor showers occur /

  How Earth can cross a comet's orbit

• Why meteor showers are beautiful to see / How Earth can cross a comet's orbit

• How big the sun is compared to Earth / When meteor showers occur

#14

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#15

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#16

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#17

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