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Mt. Muir later climbed Sat, Aug 24, 2002|
Mt. Whitney previously climbed Thu, Sep 15, 1994
later climbed Sat, Aug 24, 2002
Discovery Pinnacle later climbed Sun, Aug 12, 2007
Keeler Needle (14,271 ft.)
"In 1880, Samuel Pierpont Langley, the director of the Allegheny Observatory in
Pittsburg, Professor W. C.
Day of Johns Hopkins University, and J. E. Keeler
and Captain Michaelis of the U. S. Signal Service led an expedition to the summit
of Whitney. Langley had received advice from Clarence King in choosing a site
for his solar heat experiments. King, who was at that time directing the Survey
West of the One Hundredth Meridian, suggested the summit of Whitney. Information
from Langley's bolometer observations concluded that the solar constant was about
three calories, while Professor Day determined that the carbonic acid content of the
atmosphere was greater at low altitude than at high altitude. The two prominent
spires to the south of Whitney were later named after J. E. Keeler and W. C.
- Stephen F. Porcella & Cameron M. Burns, Climbing California's Fourteeners
"People have been watching Saturn for millennia, but Galileo Galilei was the
first to point a telescope at the planet and see its rings. From his
discovery, in 1610, until the 19th century, astronomers debated whether
Saturn's rings were a solid disc or a swarm of objects. In a telescope, the
rings look solid, yet Saturn's gravity should tear a solid structure apart.
American astronomer James Edward Keeler resolved the dilemma in 1895. Using
a spectroscope to study sunlight reflected off different parts of the rings,
he found that they do not all move at the same speed, as they would if they
were solid. Instead, the parts closest to Saturn are moving faster than the
parts farther out. Keeler concluded that the rings must consist of
individual objects revolving around Saturn just like tiny moonlets."
- Astronomical Society of the Pacific
For more information see these SummitPost pages: Mt. Muir - Mt. Whitney - Keeler Needle - Crooks Peak - Discovery Pinnacle
This page last updated: Sat Apr 7 17:02:15 2007
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