Search results for “frozen”

What is permafrost?

About a quarter of the non-glaciated earth is permafrost. Is the ground there permanently frozen or can it thaw again? Authors: 3sat/nano/Raketefilm/Andreas Gust/Konstantin Fuchs/ Translation and dubbing: alugha Click here to see more videos: https://alugha.com/TerraX

Why Study Comets?

Learn what comets are and how they inform us about the early solar system, in this video adapted from NASA. Comets, which are made of frozen gases, ice, dust, and rock, are typically in a deep freeze in the outer solar system. But when a comet nears the Sun, it loses streams of gases and forms a com