Gemini Observatory’s latest instrument, a powerful infrared camera and spectrograph at Gemini South, reveals its potential in a series of striking on-sky commissioning images.
So far, scientists have seen a fractured, ice-covered world with tantalizing signs of a liquid water ocean - a possible home for microbial life - under its surface.
Something big is about to happen on the sun. According to measurements from NASA-supported observatories, the sun's vast magnetic field is about to flip.