Starting from the upper left and moving clockwise from large to small scales: upper left —"spiral-like" system; upper right — "bar-like" structure; lower right — rotating infalling envelope; lower ...

A model of ultraviolet and optical emission from the tidal disruption event AT 2018hyz is shown in this schematic diagram. As an accretion disk forms quickly after the TDE, it generates x-ray emission ...

My research group studies the accretion process onto black holes, in order to understand how they grow and to develop tests of strong field general relativity. We make detailed predictions for the ...

A stunning eruption unleashed by the sun two years ago is providing clues about how stars form, scientists say. On June 7, 2011, the sun blasted out an enormous cloud of superheated plasma called a ...