Krypton
Krypton holds astronomical importance despite its relatively modest presence in cosmic domains compared to more prevalent elements. Emerging from nucleosynthesis processes within stars, krypton exists in minor quantities across various cosmic environments, presenting a detectable yet challenging aspect for astronomical analysis. Its spectral lines, predominantly observed in the infrared and visible spectra, offer insights into the elemental composition and physical characteristics of celestial bodies. Detected in trace amounts within the interstellar medium, krypton contributes to the observed chemical makeup in interstellar clouds and regions, enriching our understanding of cosmic environments.