In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Hale quickly got to work building an even bigger telescope on Mount Wilson than he’d had back in Wisconsin, and in December ...

Mount Wilson Observatory was all set to welcome ... KNX News’ Margaret Carrero spoke to Tom Meneghini, the director of telescope operations for the observatory, who said there’s about a ...

Ayva Wilson, a 6th-grade student at Mount Carmel Academy Charter School, aspires to be a lawyer and artist and finds her school’s annual science fair is a stepping stone to ...

While the literature clearly shows that the intrinsic seeing on Mount Wilson is the best in the continental United ... 27, The Construction of Large Telescopes (Crawford: Academic Press), 165 Fried, D ...

The Eaton Fire made a run for Mount Wilson on Thursday afternoon. But the Mount Wilson Observatory and the telescope were not damaged, thanks to firefighters' efforts, said L.A. County Fire Chief ...

Here's how to witness North America's only total lunar eclipse of the year on March 13-14, 2025, its best until 2029.

Home to the largest telescope of its day, Mount Wilson was the site of Hubble's astronomical triumphs. In 1924 he had used the telescope's then colossal 100-inch (254-centimeter) mirror to confirm ...

Photo: Andromeda nebula plate with Hubble's handwritten circle around the variable star he discovered In 1919 American astronomer Edwin Hubble began work at the Mount Wilson Observatory in ...

Wilson astronomers to ponder, he peered at tiny Planet Eros through the Mt. Wilson telescope (see above), went to Los Angeles as guest of Cinemactor Charles Chaplin to see the opening of City ...

Home to the largest telescope of its day, Mount Wilson was the site of Hubble’s astronomical triumphs. In 1924 he had used the telescope’s then colossal 100-inch mirror to confirm that our ...