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Jenna. In 2026, the European Space Agency (ESA) will launch the CO2M space mission. Scientists from Jena provide an important tool for this purpose.
With the help of infrared devices… European Space Agency ESA From 2026 onwards, measure the concentration of carbon dioxide, methane and nitrogen dioxide in the atmosphere. A distinction should be made between greenhouse gases caused by humans and those caused by natural sources. The project, in which researchers from Thuringia participate, aims to monitor the goals set by the Paris Agreement for climate protection.
The important visual grouping comes from Gina
Researchers from Jena have developed and manufactured what may be the most important optical assembly for spectrometers on board satellites: the so-called scatterer. According to Fraunhofer Institute for Applied Optics and Micromechanics (IOF) High-precision measurements of greenhouse gases and their concentrations. The first fully airworthy assembly has now been delivered to the respective company Thales Alenia Space It was delivered. Other meetings are scheduled to follow throughout the year.
The scatterer developed by Jena researchers splits the light reflected from the Earth.
© Fraunhofer International Foundation of Francophonie | Fraunhofer Iof
“The scatterer is the optical assembly of the spectrometer,” explains project manager Thomas Hoenig. He explains the structure and function of the assembly: “The diffuser consists of two prisms and a grid and acts as a kind of 'color separator'. That is to say: it divides the light reflected from the ground very precisely into its spectral colors and thus allows high-precision measurements to be made.” Carbon dioxide content in the Earth's atmosphere.”
The carbon dioxide content in the Earth's atmosphere can be determined with high precision
Extremely accurate means: CO2M satellites can measure the carbon dioxide content in the Earth's atmosphere anywhere on our planet with an accuracy of less than a CO2 hundredth.2Molecules per billion molecules of air, Hoenig says. Besides high spatial resolution, satellites can analyze very precisely at the global level the area emitting the most exhaust gases and (human) sources.
the CO2 mission The goal is not only to contribute to a better understanding of the global carbon cycle, but ultimately to help achieve the goals of the Paris Climate Agreement. “As an optics site, we make an important contribution to mitigating climate change, because carbon dioxide will provide decision-makers with reliable numbers,” says Hoying, describing the goal of ESA's mission.
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