JUMBO-SIZE PLANET Big rocky super-Earths such as Kepler-62f, shown in this illustration, probably don’t have active plate tectonics, new research suggests.
A dust cloud, navigating the orbits of dozens of stars (blue), gets torn apart by the supermassive black hole in the center of the galaxy in this artist’s illustration.
ESO, S. Gillessen, MPE, Marc Schartmann
BULL’S-EYE A blast of X-rays from a neutron star (center) illuminate dust clouds between the star and Earth (colored rings), as seen in this composite image. Red, green and blue correspond to low-, medium- and high-energy X-rays.
S. Heinz et al/U. of Wisconsin–Madison/CXC/NASA (X-ray); DSS (optical)