Image Credit: NASA/JPL-Caltech/Space Science InstituteExplanation: Why would clouds form a hexagon on Saturn? Nobody is sure. Originally discovered during the Voyager flybys of Saturn in the 1980s, nobody has ever seen anything like it anywhere else in the Solar...
Image Credit & Copyright: Juan Carlos CasadoExplanation: Have you ever seen the planet Mercury? Because Mercury orbits so close to the Sun, it never wanders far from the Sun in Earth’s sky. If trailing the Sun, Mercury will be visible low...
A new image from ESO’s VISTA telescope captures a celestial landscape of glowing clouds of gas and tendrils of dust surrounding hot young stars. This infrared view reveals the stellar nursery known as NGC...
Wow that is awfully close.
Earth is surrounded by a giant magnetic bubble, called the magnetosphere. Over six years in space, five spacecraft from the THEMIS mission have helped map out this area and improve our ability to predict...
Image Credit: X-ray – NASA, JPL-Caltech, NuSTAR; Optical – Ken Crawford (Rancho Del Sol Obs.)Explanation: The aftermath of a cosmic cataclysm, supernova remnant Cassiopeia A (Cas A) is a comfortable 11,000 light-years away. Light from the Cas A supernova, the death explosion of a massive...