From the ground to space Home > About Antarctica > Ice and atmosphere > Atmosphere > From the ground to space Atmospheric regions Learn about the regions of the atmosphere, including the troposphere, stratosphere, mesosphere and thermosphere. Space environment and weather Understanding and predicting the charged solar winds blowing past Earth is the science of ‘space weather’. Cosmic rays Cosmic rays are made of high-energy charged particles from outer space. Aurora Lean about what makes an aurora, why they happen, and where to see one. This content was last updated 9 months ago on 3 November 2020.