Lyot, BernardFerdinand
Lyot, BernardFerdinand (1897–1952)Frenchsolar astronomer and scientific instrument designer. In the 1920s he designed and built a highly sensitive polariscope for studying the Moon and planets in polarized light. Among his findings were that Venus has a high-altitude haze layer, and that Mars has a thin atmosphere and dusty surface. In 1930 he invented the
coronagraph for observing the Sun's corona, and various filters for solar observation. In 1935 he made the first cine films of the corona.
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SERVICE PROPOSES CRITICAL HABITAT REVISION FOR ENDANGERED SAN BERNADINO KANGAROO RAT
News Wire article from: US Fed News Service, Including US State News; 6/19/2007; 700+ words
; ...for the San Bernardino kangaroo rat and 26 other species...for the San Bernardino kangaroo rat by June 1, 2007. The...subspecies. Kangaroo rats are only found in desert...San Bernardino kangaroo rat is threatened by continued...
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Changes in vegetation patterns and their effect on Texas kangaroo rats (Dipodomys elator).(Report)
Magazine article from: The Texas Journal of Science; 5/1/2009; ; 700+ words
; ...populations of the Texas kangaroo rat. Intensely and...for Texas kangaroo rats. Moderately to...and (3) Texas kangaroo rats opportunistically...the Texas kangaroo rat thrives in heavily...stated that Texas kangaroo rat burrows invariably...of Texas ...
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Notes on behavior of the Texas kangaroo rat (Dipodomys elator).(GENERAL NOTES)
Magazine article from: The Texas Journal of Science; 11/1/2008; ; 700+ words
; The Texas kangaroo rat (Dipodomys elator) is listed...range of the Texas kangaroo rat (Goetze et al. 2007...behavior of the Texas kangaroo rat. Information on home ranges...other species of kangaroo rats (Behrends et al. 1986...
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Scientists study endangered kangaroo rat habitat
News Wire article from: AP Online; 9/18/2008; ; 700+ words
; ...satellite photos to count Giant Kangaroo Rats, the first-ever monitoring...intervening. Giant Kangaroo Rats, nocturnal rodents so named...shorter grasses that kangaroo rats depend on for food. Less food...fewer offspring. When kangaroo rats decline, so do the ...
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 "Bulletin (Southern California Academy of Sciences)")
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Preferential Burrow entrance placement in the Dulzura kangaroo rat, Dipodomys simulans.
Magazine article from: Bulletin (Southern California Academy of Sciences); 12/1/2004; ; 700+ words
; ...preferences in the Dulzura kangaroo rat, Dipodomys simulans...individual kangaroo rats on two experimental...Peromyscus spp, and wood rats, Neotoma spp (Brown...the local kangaroo rat population, indicating...these adaptations, kangaroo rats have an ...
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Scientists to count kangaroo rats from outer space
News Wire article from: AP Online; 9/18/2008; ; 700+ words
; ...satellite photos to count Giant Kangaroo Rats, the first-ever monitoring...intervening. Giant Kangaroo Rats, nocturnal rodents so named...shorter grasses that kangaroo rats depend on for food. Less food...fewer offspring. When kangaroo rats decline, so do the ...
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Scientists to use satellites to count kangaroo rats
News Wire article from: AP Online; 9/18/2008; ; 700+ words
; ...satellite photos to count Giant Kangaroo Rats, the first-ever monitoring...intervening. Giant Kangaroo Rats, nocturnal rodents so named...shorter grasses that kangaroo rats depend on for food. Less food...fewer offspring. When kangaroo rats decline, so do the ...
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Comments on the Predator-Prey Relationship of the Texas Kangaroo Rat (Dipodomys elator) and Barn Owl (Tyto alba)
Magazine article from: The American Midland Naturalist; 1/1/2005; ; 700+ words
; ...the genera Sigmodon (cotton rats), Oryzomys (rice rats) and Microtus (voles) are...and species of Dipodomys (kangaroo rats) are often underrepresented...little-studied Texas kangaroo rat (D. elator). Examination...
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Food hoarding by Merriam's kangaroo rats: a test of alternative hypotheses.
Magazine article from: Ecology; 12/1/1995; ; 700+ words
; ...1990). Heteromyid rodents (kangaroo rats and pocket mice) are excellent...Vander Wall 1993). Sympatric kangaroo rats sometimes exhibit very different...cache recovery. In fact, some kangaroo rats make numerous scatterhoards direct
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Habitat attributes and population size of Texas kangaroo rats on an intensely grazed pasture in Wichita County, Texas.
Magazine article from: The Texas Journal of Science; 2/1/2007; ; 700+ words
; ...a population of Texas kangaroo rats (Dipodomys elator...rocks. Texas kangaroo rats favored slightly elevated...by the Texas kangaroo rat is hypothesized. Counting...of the Texas kangaroo rat (Jones et al. 1988...occupied by Texas kangaroo rats to the north ...
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Kangaroo Rats
Encyclopedia entry from: The Gale Encyclopedia of Science
Kangaroo Rats Kangaroo rats are small...when standing still. Kangaroo rats belong to the genus Dipodomys...as pocket gophers, kangaroo rats and mice live in very open country...separate burrow system. Kangaroo rats do not drink water. Rather...mating process, ...
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kangaroo rat
Book article from: The Columbia Encyclopedia, Sixth Edition
kangaroo rat small, jumping desert...are about 20 kangaroo rat species, found throughout...United States. Kangaroo rats have large, mouselike...high speeds. Kangaroo rats have long silky fur...animals, the kangaroo rat has physiological mechanisms...
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rat-kangaroos
Book article from: A Dictionary of Zoology
rat-kangaroos See POTOROIDAE .
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kangaroo mouse
Book article from: The Columbia Encyclopedia, Sixth Edition
kangaroo mouse see kangaroo rat .
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kangaroo
Book article from: The Columbia Encyclopedia, Sixth Edition
...per hr. The great gray kangaroo, M. canguru, is almost...and in Tasmania. A related kangaroo, M. robustus, is known...behavior, are members of the kangaroo family called wallabies and...similar size are the tree and rat kangaroos. Tree kangaroos, species...
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