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Planet Earth Episodes

Bucket list - Swimming through a halocline - the blurry wave separating fresh and salt water - optical illusion BBC Planet Earth

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Seasons and the Sun: Crash Course Kids 11.1 by thecrashcourse: Ever wonder why we have seasons? A lot of people think it’s because the Earth gets further away from the sun in winter, and closer in the summer. But, it’s actually more interesting than that. In this episode of Crash Course Kids, Sabrina talks about how the Earth’s tilt is responsible for Winter, Spring, Summer, and Fall. Support at: http://patreon.com/crashcourse

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Planet Earth Episode 1: From Pole to Pole - BBC Documentary HD - YouTube

Planet Earth Episode 1: From Pole to Pole - BBC Documentary HD

youtube.com