Astronomers have discovered two objects that at first looked like a well-known stage in star formation, but also have features that don’t fit that at all. Their forthcoming paper announcing the ...

Magenta light is a combination of red and blue light. The yellow surface absorbs the blue light, and reflects the red light – so the object appears red.

Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic ...

If all three are mixed together we see white light. Objects absorb and reflect light differently. A lemon reflects yellow light, all the other colours are absorbed and so are not seen by our eyes.