Comet Williams. View of comet Williams (lower centre). A bright star is also seen (lower right). Comets have a gas or "ion" tail,of ionised glowing gas blown away from the comet head by the solar wind,and a dust tail. Neither tail is clearly seen here. Comet tails always point away from the Sun and may be millions of kilometres in length. Comet Williams was discovered by the Australian Peter Williams on 10 August 1998. Photographed from New South Wales,Australia,in August 1998 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Garradd, Gordon |
Taille de l’image : | 2800 px × 2800 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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