Luna's family is visiting a small polar bear research center in Arctic Russia. Jupiter spots a polar bear, but it disappears into the snowy area before the others have a chance to see it. This gets Luna wondering, why are polar bears white?
Up Next in Earth To Luna
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Wonder Islands
During a trip in the Caribbean, Luna, Jupiter, and Clyde notice that some islands seem to float. Some of them are so small it really seems possible that they might actually float. Could that be so?
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Wiggle Worms
Luna’s family has stopped at Plum Creek Ranch to visit Grandma & Grandpa. As they help Grandma plant her new tomatoes they are surprised to find lots of little worms wiggling around in the dirt. What’s even more surprising is Grandma wants them there!
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Whirly Twirly Storm
The kids are surprised to find out one of the important things the center does is prepare for hurricanes. They are curious and decide to do a dangerous experiment: They try to create their own hurricane and then embark to a trip to open seas.
