The solar wind is a plasma, a stream of charged particles (ions and electrons) which are continuously escaping from the Sun into the interplanetary medium.
Sulphur dioxide enters the atmosphere as a result of volcanic eruptions, biomass burning,... It can lead to acid rain.
Researchers want more insight in the behaviour of the Sun in relation to power failure, satellite break down and astronaut exposure to radiation.
One speaks of fast solar wind with speeds of 800km/s and slow slower wind with speeds of around 400km/s.
The presence of ozone in the stratosphere causes temperature in the stratosphere to rise with altitude.
Small droplets, injected in the atmosphere during volcanic eruptions, play an important role in the physico chemistry of the stratosphere.
Space weather refers to the environmental conditions in Earth's magnetosphere, ionosphere and thermosphere due to the Sun and the solar wind.