2023-08-03 20:34:00
Recently launched by SpaceX, the Euclid telescope began its mission to collect information regarding energy and dark matter and explore distant galaxies up to 10 billion light years. The first images of the device, taken during tests, have already been released, showing the results captured by means of the VIS, the visible instrument, which reproduces the electromagnetic spectrum visible to human eyes, from waves of between 550 and 900 nanometers.
There are also results generated from the infrared spectrometer and photometer, or NISP, capable of measuring the amount of light from galaxies and generating images in infrared light and visible light —between 950 and 2020 nanometers.
“The excellent first images obtained using Euclid’s visible and infrared instruments open a new era for observational cosmology and statistical astronomy. They mark the beginning of the search for the very nature of dark energy”, says Yannick Mellier, astronomer at the Institut d’Astrophysique de Paris and leader of the Euclid Consortium.
The idea is that Euclid advances in mapping the dark side of the universe by creating a 3D map that should even include measurements of space-time. The observatory has the “grism”, a device that can split cosmic light to improve the quality of the data before sending it to the NISP. With this, researchers are able to determine the chemical components and distance of each galaxy studied.
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