Home 101023_ec_exoplanet_collision_feat-1380x776 101023_ec_exoplanet_collision_feat-1380×776 by Magic of science 3 years ago3 years ago The collision of two exoplanets may have left behind a donut-shaped cloud of vaporized rock and water (illustrated), which cast an infrared glow visible to telescopes. MARK GARLICK