Comet Williams. View of comet Williams. North is at top. The comet's gas or "ion" tail (stretching to lower left) consists of ionised glowing gas blown away from the comet head by the solar wind. The dust tail of the comet cannot be seen. 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,on August 25 1998 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Garradd, Gordon |
Taille de l’image : | 2800 px × 2794 px |
Model Release : | Non requis |
Property Release : | Non requis |
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