https://spaceweatherarchive.com/2018/09/27/the-chill-of-solar-minimum/

http://www.spaceweather.com/archive.php?view=1&day=02&month=10&year=2018

"THE CHILL OF SOLAR MINIMUM: The sun is entering a deep Solar Minimum, and Earth's upper atmosphere is responding. Data from NASA's TIMED satellite show that the thermosphere (the uppermost layer of air around our planet) is cooling and shrinking, literally decreasing the radius of the atmosphere. If current trends continue, the thermosphere could set a Space Age record for cold in the months ahead: full story."