Astrophotonics is the application of photonic technologies to channel. manipulate. and disperse light from one or more telescopes to achieve scientific objectives in astronomy in an efficient and cost-effective way. Utilizing photonic advantage for astronomical spectroscopy is a promising approach to miniaturizing the next generation of spectrometers for large telescopes. https://www.lecoureures.shop/product-category/ski-de-fond-homme-sous-vetements-synthetique/