![Equinox on March 20 means more stunning auroras are coming. Here's why](https://cdn.mos.cms.futurecdn.net/Pgmxh6xv4To3yEtJquhvXA-1200-80.jpg)
Scientists have long tried to understand what ties auroras to the calendar. Longtime aurora watchers will know the Earth's two equinoxes — late March …
Author: Rahul Rao
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