Mesopause

{
  "id": "MLC-T-CHM-007223",
  "term": "Mesopause",
  "field": "Chemistry",
  "definition": "The boundary layer in the Earth's atmosphere that separates the mesosphere from the thermosphere. It represents the coldest region of the atmosphere, with temperatures typically around -100 degrees Celsius. This transition zone is located at an altitude of approximately 80 to 85 kilometers above the Earth's surface.",
  "subject": "Chemistry and the Environment",
  "see_also": [
    "mesosphere",
    "thermosphere"
  ],
  "references": [
    "PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2201 (https://doi.org/10.1351/pac199062112167)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/mesopause/"
}