![The 100-year-old telescope at Mt. Wilson that changed cosmology forever | LAist - NPR News for Southern California - 89.3 FM The 100-year-old telescope at Mt. Wilson that changed cosmology forever | LAist - NPR News for Southern California - 89.3 FM](https://scpr.brightspotcdn.com/dims4/default/3169ec0/2147483647/strip/true/crop/6004x3698+584+0/resize/880x542!/quality/90/?url=https%3A%2F%2Fa.scpr.org%2F176525_82c0c8889da813f6baa00a48f4633730_original.jpg)
The 100-year-old telescope at Mt. Wilson that changed cosmology forever | LAist - NPR News for Southern California - 89.3 FM
At Mt. Wilson, scientists celebrate 100th birthday of the telescope that revealed the universe - Los Angeles Times
![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
![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://i.redd.it/3anontfg43241.jpg)
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
![Hooker 100-inch reflecting telescope, Mount Wilson Observatory. - Photographs - Huntington Digital Library Hooker 100-inch reflecting telescope, Mount Wilson Observatory. - Photographs - Huntington Digital Library](https://hdl.huntington.org/digital/api/singleitem/image/p15150coll2/888/default.jpg)
Hooker 100-inch reflecting telescope, Mount Wilson Observatory. - Photographs - Huntington Digital Library
![Mount Wilson Observatory on Twitter: "This is what the 100" primary mirror sees when the mirror shutter opens. A rare view of the Hooker telescope's interior, secondary, and tertiary mirrors courtesy of Mount Wilson Observatory on Twitter: "This is what the 100" primary mirror sees when the mirror shutter opens. A rare view of the Hooker telescope's interior, secondary, and tertiary mirrors courtesy of](https://pbs.twimg.com/media/EyAoW30VEAE4cq_.jpg)