October 2017
Cassini observations open up Saturn’s atmosphere
... system: methane, water, ammonia, and hydrogen sulphide. Some of these species are volatile and condense in the troposphere to form cloud decks, starting with water ice at the deepest levels, followed by a compound called ammonium hydrosulphide...
February 2019
European system for global weather forecasting and climate change detection
... measurements. ESA’s GRAS instrument is a GNSS Receiver for Atmospheric Sounding, along with temperature profiling in the troposphere and stratosphere with high vertical resolution. GOME-2, also developed by ESA is the Global Ozone Monitoring...
June 2020
Titan’s evolving atmosphere
...’s lower gravity. Titan is the only moon in the solar system to possess such an atmosphere, which includes a troposphere (from the surface up to about 44 km), a stratosphere (from the tropopause to about 450 km), a mesosphere (up to about 600 km) and...
July 2020
Covid-19 infects global space community
... for Boeing, but other firms could also receive a share of the money. Data collected from the Tropospheric Monitoring Instrument (TROPOMI) on ESA’s Sentinel-5 satellite shows a significant drop of nitrogen dioxide - a gas mainly emitted by cars...
February 2022
Building space-qualified detector chips
... monitoring mission led by the French space agency CNES and the European observation programme, Copernicus. Sentinel-5P tropospheric nitrogen dioxide measurements over Europe, Africa, Middle East, and India from April 2018 (averaged). Air...
October 2023
The impact of weather on Ka-band frequencies
... cause issues for Ka-band that need to be addressed. Ka-band signals are mostly affected by rain droplets in the troposphere, which is the lowest layer of the Earth’s atmosphere. Although in some regions, rain events can last for...