Aurora borealis, Northern lights
A display of light in the night sky of the Northern hemisphere. It is caused [...]
A display of light in the night sky of the Northern hemisphere. It is caused [...]
an oval-shaped area around the magnetic poles, in which auroras might be visible. Imagine you [...]
A sudden burst of gas of an unstable magnetic field on the suns surface. Often [...]
A hole in the outer magnetic field (called corona) around the sun. Through it streams [...]
Occurs when Earth’s magnetic field is hit by a strong CME or a high-speed solar [...]
indicates the strength of geomagnetic activity. It is numbered from one to nine, with nine [...]
A graph showing the real-time situation of Earth’s magnetic field. This can be compared to [...]
Our sun’s activity is on a maximum once every 11 years or so, often called [...]
a stream of charged particles leaving the sun. If Earth-directed it might trigger aurorae.
an area on the sun’s surface with a strong magnetic field. That field can stretch [...]