Since the mid-1960s the observatory has expanded and grown. Dr. John Stull expanded and built many of the telescopes and buildings currently in use. Dr. David Toot, professor emeritus, was the second ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting telescope in 1609. Although not the inventor of the telescope, Galileo was the ...

The access to the building is the set of stairs shown in the picture. Inside, the access to the second floor is by a wooden spiral staircase with a conventional steepness. Also note that while McKim ...

The Mount Wilson Observatory is an important site in the history of modern astronomy. With the famous Hooker telescope, early 20th century astronomers made key observations about the Milky Way and ...