NASA ScienceCasts: You Light Up Our Night

Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. People around the world have the opportunity to participate in the study of comet 46P/Wirtanen as it has a close approach with Earth in December of 2018.

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ScienceCasts: Reshuffling Heat on a Warming Planet

Earth's oceans could be concealing a mystery about climate change. Researchers have recently found evidence of hidden heat hundreds of meters below the ocean's surface. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA