the-real-reality-show-why-do-nebulae-glowhttps://www.astronomy.com/observing/the-real-reality-show-why-do-nebulae-glow/The Real Reality Show: Why Do Nebulae Glow? | Astronomy.comThe light from nebulae is caused by florescence from hot stars that ionize gas, producing photons in the process. We can simulate an analogous process on Earth using chemiluminescence.InStockUSD1.001.00deep-sky-objectsarticleASY2023-05-182015-07-2044261