Exeter rail-storm correction shifts earliest space-weather record to 1848
A new Space Weather study argues that Nature’s 1871 note describing an 1841 Exeter–Starcross train delay due to a magnetic storm is a misdating; by locating a timetable window and a powerful geomagnetic disturbance in Greenwich on 18 October 1848, the authors argue the incident actually occurred in 1848 and that the railway did not open until 1846, making 1841 implausible and shifting the earliest well-supported space-weather impact to 1848.
