Named Eos, the cloud of gas would appear huge in the night sky if visible to the naked eye and could shed light on solar ...

White light is made of a spectrum ... a prism. There are three primary colours of light, which can be combined to make secondary colours. A rainbow contains all the colours of the visible spectrum.

When sunlight passes through a prism ... visible spectrum is just a slice of the electromagnetic range. Beyond violet lies ultraviolet, and beyond red is infrared. These wavelengths are invisible ...

The scientists have named the molecular hydrogen cloud “Eos,” after the Greek goddess of mythology who is the personification ...