This artist’s rendition of 51 Ophiuchi’s inner and outer dust disks illustrates the size difference of their constituent grains. Credit: NASA/JPL-Caltech/T. Pyle (SSC) Linking the twin, 10-meter ...

Astronomers have constructed the first detailed 3D map of the properties of cosmic dust in our home galaxy. For their map, the astronomers used 130 million spectra from ESA's Gaia mission, results ...