High Energy2026-03-052 minarXiv:2603.05608expressA flash caught in half a minuteTwenty-eight seconds: that's how long it took for an automated camera to lock onto a flash in a constellation whose light had traveled for more than nine billion years.Martin Jelínek·Annarita Ierardi·Filip Novotný·Gor Oganesyan·Biswajit Banerjee·Dimitrios Giannios·Sergey Karpov·Martin Topinka·Elias Kammoun·Jan Štrobl·Alberto J. Castro-TiradoFritz ZwickyJocelyn Bell BurnellSubrahmanyan Chandrasekhargamma-ray burstfast radio burstmicrolensingsupernovaplasma👍👎☆SimplePopularAdvanced