PALOMAR MOUNTAIN, Calif — 2023 marks 75 years since the Palomar Observatory was first dedicated. The San Diego County scientific marvel recently made headlines after the famous green comet was ...

A magnitude 4.2 earthquake occurred at 6:16 p.m. Friday roughly 3 miles northwest of Palomar Observatory ... “It is beneath Palomar Mountain, in an area of granitic rock.

Some 30 evenings a year, Astronomer Maarten Schmidt, 36, struggles with an electrically heated flight suit and enters the great, silvery dome of California’s Mount Palomar Observatory.

The Palomar meals were a continuation of an even earlier tradition at Mount Wilson Observatory outside Pasadena. The astronomers’ dorm there, a string of plain rooms perched next to a cliff ...

Near Mt. Palomar’s forested upper slopes thick ... Then, as the mirror neared the observatory dome—shining like frosted silver and big as a railroad roundhouse—a shaft of brilliant sunlight ...

A Mount Everest-sized asteroid that swept by ... The asteroid — 1989 JA — was discovered on May 1, 1989, by Eleanor Helin at Palomar Observatory. 1989 JA came close to Earth but was not ...