Our World

Articles about our world, planet earth: its evolution, biogeochemical cycles, planetary subsystems, atmosphere (inc. ozone layer), biosphere (life), hydrosphere (oceans) & lithosphere (rocks). And The Anthropocene.

What The Atmosphere Looks Like

Earth’s Atmosphere

What Is the ‘Atmosphere’? The atmosphere of Planet Earth consists of a layer of gases (mostly nitrogen and oxygen) that we call “air”, held in

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