From burning fossil fuels. Decay and respiration too.
Particles found outside Earth's atmosphere include solar wind particles, cosmic rays, and interstellar dust. These particles can interact with Earth's magnetic field and atmosphere, impacting space weather and the planet's environment.
The layer of the atmosphere that releases particles of air into space is the exosphere.
In air Atmosphere it is Ionosphere.
CFC's
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The Ionosphere
Cosmic rays are high-energy particles from space that continuously rain down on the Earth's atmosphere. They originate from sources such as supernovae, black holes, and other cosmic events. These particles can interact with the Earth's atmosphere, leading to the production of secondary particles and radiation.
Some examples of solid particles in the atmosphere include dust, pollen, volcanic ash, soot, and salt particles. These particles can have various origins like natural sources (dust, pollen) or human activities (soot, salt particles from road salting).
Carbon particles can enter the atmosphere through natural processes like volcanic eruptions and wildfires. Human activities such as burning fossil fuels, industrial processes, and deforestation also release carbon particles into the air. Once in the atmosphere, these particles can contribute to air pollution and climate change.
When a comet's dust particles enter our atmosphere, they create bright streaks of light known as meteors or shooting stars. Friction with the atmosphere heats up the particles, causing them to vaporize and produce a glowing trail as they streak across the sky.
The atmosphere consists of about 78% nitrogen, 21% oxygen and 1% of loose particles (dust).
auroras