SpaceMillions of planets might form around supermassive black holes Massive amounts of dust swirl around active nuclei at the centres of galaxies, and these discs could give rise to vast numbers of rocky planets, some even the size of stars 快猫短视频
SpaceFilming the universe鈥檚 biggest dramas: Best ideas of the century Astronomers used to rely on chance to catch a glimpse of fleeting explosions in space. A fresh approach to watching these flashes has completely transformed astronomy Features