Parkes radio telescope. View of Parkes radio telescope in New South Wales,Australia. The dish is 64 metres (210 feet) in diameter and divided into three sections. It has a solid steel plate from its centre to a diameter of 17 metres,a perforated aluminium plate to a diameter of 42 metres,and the rest is a mesh of galvanised steel. The weight of the dish is 300 tonnes. This radio dish is used to observe wavelengths from 5 millimetres to 2 centimetres. Radio astronomy has improved our understanding of the evolution of stars and galaxies. Parkes was completed in 1961,and in 1998 is run as part of the Australia Telescope National Facility | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nunuk, David |
Taille de l’image : | 4154 px × 3384 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |