When millions of people turn off their lights for Earth Hour each year, something remarkable happens in the night sky above ...

Today many large-scale photovoltaic (PV) plants have been equipped with sky imaging systems. The sky images contain abundant spatio-temporal information of the local climate condition at the PV plant.

PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...

From a Mars rover selfie to an astronaut's view of the flower moon, these space images will give you a new perspective on our ...