A rain of electrons causes Mercury’s X-ray auroras
The discovery hints that auroras on all planets except Neptune have a common explanation
![An illustration of the BepiColombo probe with Mercury in the background.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/07/071723_EC_mercury-auroras_feat.jpg?fit=1030%2C580&ssl=1)
With new data from the BepiColombo probe (illustrated), scientists have shown that electrons rain down on the surface of Mercury, causing its X-ray auroras.
ESA, ATG medialab