Comet Hyakutake with aurora borealis,16-04-96
Bildnummer 11883583
| Comet Hyakutake. Comet Hyakutake (1996 B2,lower right) with a display of the northern lights or aurora borealis. Comets are formed from a ball of ice and dust only a few km across. When they approach the Sun some of the ice melts & is blown away by high-velocity charged particles from the Sun to form a tail. The tail is visible due to the reflection of sunlight by dust and discharges by excited gases. Charged particles from the Sun also cause the aurora borealis. They become trapped by the Earth's magnetic field and are drawn to the poles where they excite atmospheric atoms. The atoms' energy is released as light. Photographed in Alaska,USA on 16.4.96 | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Fh, Jack |
| Bildgröße: | 3642 px × 4902 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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