Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of ...

Learn about and revise light and the EM spectrum exam questions with GCSE Bitesize Physics.

GCSE Physics (Single Science) Light and the EM spectrum learning resources for adults, children, parents and teachers.

In reality, the light from most things is a mix of emission and reflection. So if we want to use that light to get the temperature of an object, we need to know the ratio.

Now, the first direct observation of the light spectrum emitted by an exoplanet shows how they might do this.