While there’s no black in a rainbow, photons anywhere in the electromagnetic spectrum can be seen as ... Against the light background, the circle is dark enough to appear black.

Parts of the electromagnetic spectrum invisible to human eyes reveal ... the region where the black hole Sagittarius A* resides. Systematic exploration of the radio universe began soon thereafter.

NTNU researchers may have found the answer to one of the big, unanswered questions in physics. The universe is full of ...

But did you know that there's more to light than meets the eye? Let’s explore the amazing world of the electromagnetic spectrum! The electromagnetic spectrum has many types of light waves. It includes ...

Listen or view this Superheroes of Science podcast: Astrophysicists use the electromagnetic spectrum to study stars, pulsars, black holes and more. Complete the guided listening worksheet as you ...

Gamma rays are a form of electromagnetic ... of wave in the electromagnetic spectrum. These waves come from things like supernova explosions, supermassive black holes, and even solar flares.