Image gallery

1. IONOSPHERE AND AIRGLOW Improvement in air quality in the Helsinki area from year 2005 to 2016

2. EARTH'S ATMOSPHERE Diagram of Earth atmospheric layers drawn to scale.  CC  https://en.wikipedia.org/wiki/Outer_space#

3. EARTH’S HORIZON AND THE MOON This image was taken aboard the ISS in 2005, showing the Earth’s horizon, Atmospheric layers and the Moon  NASA/JSC.  HTTPS://EOL.JSC.NASA.GOV

4. LAYERS OF THE ATMOSPHERE Diagram showing the layers in the atmosphere, their heights and what can be found in each one.  NOAA  HTTPS://WWW.NESDIS.NOAA.GOV

5. THIN BLUE LINE Photograph of Earth’s atmosphere and the setting sun, taken by the crew of the International Space Station  NASA  HTTPS://WWW.NASA.GOV