James Edward Keeler
James Edward Keeler (September 10th 1857 - August 12th 1900) was a American Astronome.
He worked with the Observatoire Lick starting from 1888 but was named director of the Observatoire Allegheny in 1891. He turned over to the Lick observatory as director in 1898, but died little of time after in 1900.
With George Hale it founded and published the Astrophysical Journal , which is the most important review of astronomy nowadays.
It made a spectroscopic study of the rings of Saturn and proved that they could not be solid objects because they did not turn at constant speed but were rather to be made up of a cloud of small individual objects.
It accepted the Médaille Henry Draper in 1899.
He discovered two Astéroïde S, although the second then is lost and found almost 100 years later.
In 1880, the director of the observatory Allegheny Samuel Pierpont Langley, accompanied by Keeler and other researchers, organized an scientific exhibition at the top of the Mont Whitney. The goal of forwarding was to study how the solar Rayonnement was selectively absorbed by the terrestrial atmosphere , by comparing measurements with high-altitude with those obtained at low altitude.
At the conclusion of forwarding, the " Keeler Needle " (14240 feet) near to the Whitney Mount was named according to James E. Keeler and the " Day Needle " (14180 feet) was named according to the name of another participant, the professor William Cathcart Day of the Université Johns Hopkins. Day Needle since then has summer famous Crooks Peak according to Hilda Crooks.
The Division of Keeler in the , Saturn's rings crater S on Mars and the the Moon and the Astéroïde (2261) Keeler are named in its honor.
External bonds
Obituaries
- ApJ ''' 12 ''' (1900) 239
- MNRAS ''' 61 ''' (1901) 197
Simple: James Edward Keeler
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