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1. scijinks.gov › atmosphere-formationHow did Earth's atmosphere form? - NOAA SciJinks

   scijinks.gov › atmosphere-formation

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   11 wrz 2024 · Earth’s original atmosphere was probably just hydrogen and helium, because these were the main gases in the dusty, gassy disk around the Sun from which the planets formed. The Earth and its atmosphere were very hot. Molecules of hydrogen and helium move really fast, especially when warm.

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2. en.wikipedia.org › wiki › Atmosphere_of_EarthAtmosphere of Earth - Wikipedia

   en.wikipedia.org › wiki › Atmosphere_of_Earth

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   Earth's early atmosphere consisted of accreted gases from the solar nebula, but the atmosphere changed significantly over time, affected by many factors such as volcanism, impact events, weathering and the evolution of life (particularly the photoautotrophs).

3. www.britannica.com › topic › evolution-of-the-atmosphere-1703862evolution of the atmosphere - Encyclopedia Britannica

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   Earth’s original atmosphere was rich in methane, ammonia, water vapour, and the noble gas neon, but it lacked free oxygen. It is likely that hundreds of millions of years separated the first biological production of oxygen by unicellular organisms and its eventual accumulation in the atmosphere.

4. geo.libretexts.org › Bookshelves › Geography_(Physical)3.3: Origin and Evolution of the Atmosphere

   geo.libretexts.org › Bookshelves › Geography_(Physical)

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   13 paź 2023 · The atmosphere of the Earth (and also of Venus and Mars) is generally believed to have its origin in relatively volatile compounds that were incorporated into the solids from which these planets accreted.

5. askanearthspacescientist.asu.edu › explore › early-atmosphereThe History of Earth's Atmosphere - Ask An Earth and Space...

   askanearthspacescientist.asu.edu › explore › early-atmosphere

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   6 lip 2019 · The oxygen atoms in Earth’s atmosphere were first formed in an old star, along with all the other elements that make up the Earth. When that star exploded (a supernova) all the elements spread out in space. They formed a hot gas cloud where our solar system is today.

6. education.nationalgeographic.org › resource › formation-earthFormation of Earth - National Geographic Society

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   19 paź 2023 · Earth’s early atmosphere was most likely composed of hydrogen and helium. As the planet changed, and the crust began to form, volcanic eruptions occurred frequently. These volcanoes pumped water vapor, ammonia, and carbon dioxide into the atmosphere around Earth.

7. science.nasa.gov › wavelength-acf › scijinks-how-did-earths-atmosphere-formSciJinks: How Did Earth's Atmosphere Form? - NASA Science

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   30 lis 2023 · National Aeronautics and Space Administration. NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery. About NASA's Mission. Join Us.