Mount Wilson Observatory ... has announced its 2025 season of public events and telescope observing opportunities. Once again, the Observatory’s 60-inch and 100-inch telescopes—the largest ...

Hale moved a solar telescope from the Yerkes Observatory west ... Hale’s 100-inch mirror climbed its way up the windy ...

The Mount Wilson Observatory was once home to the world’s largest telescope, and more than a century ago, on Jan. 1, 1925, astronomer Edwin Hubble made one of his most important discoveries at ...

They were chauffeured up the long, zigzagging dirt road to the observatory complex on the summit, nearly a mile above Pasadena. Home to the largest telescope of its day, Mount Wilson was the site ...