Ultraviolet light is higher energy and a shorter wavelength than visible light, and points to energetic processes on stars, galaxies, and planets.
Studying the Sun as a distant star: contributions to
Ultraviolet astronomy, Observing Stars & Galaxies
I Accidentally Looked at UV Light. Will I Be Okay?, For Eyes
Observing Ultraviolet Light
Sun-observing spacecraft sheds light on solar wind's origin - DFA
Longwave UV Mini Light Source, Longwave UV Lights
Lepro UV Torch, 51 LED UV Light Torch, 395nm Ultraviolet
Everything You Need to Know About UV Flashlights
Observing Ultraviolet Light
Solved Results A. Effect of UV Radiation Record the results