Latest Global Ozone Monitoring by Occultation of Stars Stories
In the early hours of 1 March 2002, the largest Earth observation satellite ever built soared into orbit from ESA’s launch base in Kourou, French Guiana. For a decade, Envisat has been keeping watch over our planet.
Watching the stars set from the surface of the Earth may be a romantic pastime but when a spacecraft does it from orbit, it can reveal hidden details about a planetâ€™s atmosphere.
The ozone hole over Antarctica has shrunk 30 percent as compared to last year's record size. According to measurements made by ESAâ€™s Envisat satellite, this yearâ€™s ozone loss peaked at 27.7 million tonnes, compared to the 2006 record ozone loss of 40 million tonnes.