Leonid meteors
Bildnummer 11881441
| Leonid meteors. Optical time-exposure image of Leonid meteors (streaks) and star trails (curved tracks) over trees. Meteors (shooting stars) are tiny dust particles which enter the Earth's atmosphere at high speeds. They are heated by air resistance,making them visible as streaks of light. The Leonid shower occurs annually for about 2 days around 17th November,when the Earth crosses the debris produced by the comet Tempel- Tuttle (55P). Star trails are produced on long- exposure photographs by the apparent motion of the stars caused by the Earth's rotation. The meteors all appear to come from one point in the sky (radiant,centre right). Photographed in 2001 | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Espenak, Dr. Fred |
| Bildgröße: | 3072 px × 2048 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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