![Photograph of the Hooker telescope, a 100-inch reflecting telescope located at the Mount Wilson Observatory, California. Dated 20th Century Stock Photo - Alamy Photograph of the Hooker telescope, a 100-inch reflecting telescope located at the Mount Wilson Observatory, California. Dated 20th Century Stock Photo - Alamy](https://c8.alamy.com/comp/KJ1MC2/photograph-of-the-hooker-telescope-a-100-inch-reflecting-telescope-KJ1MC2.jpg)
Photograph of the Hooker telescope, a 100-inch reflecting telescope located at the Mount Wilson Observatory, California. Dated 20th Century Stock Photo - Alamy
![Dome Housing the Historical 100-inch Telescope (completed in 1917); Mt Wilson, San Gabriel Mountains, Los Angeles County, Stock Photo - Image of mtwilson, astronomy: 135819562 Dome Housing the Historical 100-inch Telescope (completed in 1917); Mt Wilson, San Gabriel Mountains, Los Angeles County, Stock Photo - Image of mtwilson, astronomy: 135819562](https://thumbs.dreamstime.com/z/dome-housing-historical-hooker-inch-telescope-completed-mt-wilson-san-gabriel-mountains-los-angeles-county-dome-housing-135819562.jpg)
Dome Housing the Historical 100-inch Telescope (completed in 1917); Mt Wilson, San Gabriel Mountains, Los Angeles County, Stock Photo - Image of mtwilson, astronomy: 135819562
![Edwin Hubble at the controls of the 100-inch Hooker Telescope at Mount Wilson (~1922). Here he was to discover that the Universe was not entirely contained within the Milky Way (as was Edwin Hubble at the controls of the 100-inch Hooker Telescope at Mount Wilson (~1922). Here he was to discover that the Universe was not entirely contained within the Milky Way (as was](https://preview.redd.it/3anontfg43241.jpg?auto=webp&s=9d6acdc19064664212b95449a5463612f8bb6776)
Edwin Hubble at the controls of the 100-inch Hooker Telescope at Mount Wilson (~1922). Here he was to discover that the Universe was not entirely contained within the Milky Way (as was
![EDWIN HUBBLE (1889-1953) US astronomer using the 100 inch Hooker telescope at Mount Wilson Observatory , Pasadena, California Stock Photo - Alamy EDWIN HUBBLE (1889-1953) US astronomer using the 100 inch Hooker telescope at Mount Wilson Observatory , Pasadena, California Stock Photo - Alamy](https://c8.alamy.com/comp/BR7MM6/edwin-hubble-1889-1953-us-astronomer-using-the-100-inch-hooker-telescope-BR7MM6.jpg)