Animation: Why the northern and southern lights are different
Автор: AGU
Загружено: 2020-04-09
Просмотров: 33107
Описание:
For many years, scientists assumed the aurora seen around the north pole was identical to the aurora seen around the south pole. The poles are connected by magnetic field lines and auroral displays are caused by charged particles streaming along these field lines. Because the charged particles follow these field lines, it would make sense that the auroras would be mirror images of each other.
However, in 2009, scientists discovered aurora can look differently around the north pole and the south pole, including having different shapes and occurring at different locations – a phenomenon called asymmetry.
This animation from the Birkeland Center for Space Science provides an introduction to asymmetry.
Credit: Birkeland Center for Space Science/Mount Visual
Read more about this research here:
https://news.agu.org/press-release/ne...
Read the original research study here:
https://agupubs.onlinelibrary.wiley.c...
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