On this day in history...

...in 1978, the TIROS-N satellite was launched, introducing the Advanced Very High Resolution Radiometer (AVHRR). This instrument marked a significant advancement by providing systematic and precise Sea Surface Temperature (SST) measurements, greatly enhancing our understanding of ocean temperatures and their role in climate dynamics.

Sources

• NOAA's Comprehensive Large Array-data Stewardship System: class.noaa.gov/data_available/avhrr/index.htm
• Wikipedia: en.wikipedia.org/wiki/Advanced_very-high-resolution_radiometer

Picture available at wikipedia.