Image-processed optical photograph of the head of Halley's Comet,derived from 4 exposures made on May 25,1910,at Helwan,Egypt. Successive colour contours,from green (less intense) through to blue (intense),represent increasing brightness of the comet's nucleus. The computer enhancement reveals a small jet extending to the left from the centre of the nucleus | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NASA |
Bildgröße: | 4169 px × 4205 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |