Mount Wilson Observatory, California, USA, 1916-1918.

Mount Wilson Observatory, California, USA, 1916-1918.
3 3 c m
40cm
actual image size: 32cm x 25cm

Description

One of 41 bromide photographic prints related to and showing various stages in the construction of the Hooker 100 inch reflecting telescope at Mount Wilson, California. This view shows the side members of the telescope's Polar Axis being assembled in the observatory dome. The observatory was founded in 1904 by the astronomer George Ellery Hale (1868-1938). The 100 inch reflecting telescope installed at the observatory in 1917 was the largest telescope in the world at the time, and remained so until the 200 inch reflector at Mount Palomar became operational in 1948. Mount Wilson was at the forefront of astronomy in the first half of the 20th century. Observations by astronomers working there confirmed that the Universe was expanding, as well as leading to substantial advances in understanding of the workings of the Sun.

Image Details

Image Ref.
 
10415917

© Science Museum / Science & Society Picture Library

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