Aurora Before and During a Substorm (IMAGE)

European Space Agency

Aurora Before and During a Substorm

Caption

The image to the left is the typical appearance of the aurora before a magnetic substorm. During a substorm, the single auroral ribbon may split into several ribbons (center) or even break into clusters that race north and south (right).

Credit

Jan Curtis

Usage Restrictions

For non-commercial use only

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.