Large and complex sunspot groups characterize the surface of the dynamic sun during its activity cycle. A new camera system ...

The Visible Tunable Filter (VTF ... When you see a rainbow, you are seeing a light spectrum. The light from the Sun is shown in all the colors that make it. In that spectrum, there is an enormous ...

"The instrument is, so to speak, the heart of the solar telescope, which is now finally beating at its final destination." ...

VTF etalon Credit: Institut für Sonnenphysik (KIS) The VTF is an imaging spectro-polarimeter that captures isolated snapshots of solar radiation across the visible light spectrum. Unlike ...

Lots of sunshine is expected over the weekend and into the start of next week. Everyone loves when the blue sky is out, but many forget to protect their skin from potentially harmful UV radiation.

The spectrum of the Sun peaks in the green region of the visible spectrum, but since it radiates almost equal amounts of all visible wavelengths, the net effect is white light. Human eyes percieve ...

The sun has produced stunning auroras on Earth in recent years as solar activity has peaked—but expect more in coming years ...

The science team behind Perseverance wanted to know whether that glow from the Mars aurora could be seen in the visible ...