What if the Earth were hollow?

Imagine that we dig a tunnel going from one side of our planet to the other side. What would happen with the body falling through that tunnel? Or what if the Earth were shell, with empty space inside. Would there be a gravity? Answers to those questions find in this video...

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Hyper Earth: the New World in 4k

Our world, Earth, is changing before our eyes. Take a look on new HD images of Earth and watch how it changes. Incredible 4k supercomputer images of Earth brought to you on video...

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The Curvature of the Earth

There are many ways to prove that our Mother Earth is rounded. One of them is that humans (austornauts) saw it. We bring you beautifull compilation of videos made from International Space Station...

Watch this on the largest screen available. This 4k video features some of the most astonishingly beautiful images from the Gateway to Astronaut Photography based at NASA's Johnson Space Center.

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