Is your green my green? Probably not. What appears as pure green to me is likely to look a bit yellowish or bluish to you. This is because visual systems vary from person to person. Moreover, an ...

A dazzling green fireball lit up Moscow's dawn sky, captivating residents and sparking online discussions. Scientists believe the vibrant hue, similar ...

Yes. A color filter’s purpose is to exaggerate differences in brightness, to increase the contrast between light and dark portions of the object under view. Consider, for example, using a blue filter ...

Comet 3I/ATLAS has gone from being an astronomic curiosity to the darling of the entire space science community. It is the third interstellar object recorded ...

Meteors are green for a completely different mechanism. As a meteor enters Earth's atmosphere, it is heated to the point where its outer layer is vaporized. The metals in the meteor glow with ...