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Topic: Cartan crater


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In the News (Wed 30 May 12)

  
  Cartan (crater) - Wikipedia, the free encyclopedia
Cartan is a small lunar crater near the eastern edge of the Moon.
A smaller crater attached to the southern rim is also attached to the north rim of 'Apollonius H', forming a short crater chain.
Cartan crater was designated 'Apollonius D' before being named by the IAU.
en.wikipedia.org /wiki/Cartan_(crater)   (136 words)

  
 Cartan biography
Cartan became a student at the École Normale Supérieure in 1888 and obtained his doctorate in 1894.
Cartan further contributed to geometry with his theory of symmetric spaces which have their origins in papers he wrote in 1926.
Cartan's recognition as a first rate mathematician came to him only in his old age; before 1930 Poincaré and Weyl were probably the only prominent mathematicians who correctly assessed his uncommon powers and depth.
www-groups.dcs.st-and.ac.uk /~history/Biographies/Cartan.html   (1421 words)

  
 Apollonius (crater) - Wikipedia, the free encyclopedia
Apollonius is a lunar crater located near the eastern limb of the Moon.
It is southwest of the crater Firmicus, and north of Condon crater.
The outer rim of Apollonius is somewhat worn and is overlaid by a pair of small craters (including 'Apollonius E') across the western wall.
en.wikipedia.org /wiki/Apollonius_(crater)   (188 words)

  
 Chapter One: The Breakthroughs of Dr. N.A. Kozyrev
Eli Cartan was the first to clearly demonstrate that the “fabric” (flow) of space and time in Einstein’s general theory of relativity not only “curved”, but it also possessed a spinning or spiraling movement within itself known as “torsion.” This area of physics is typically referred to as Einstein-Cartan Theory, or ECT.
Cartan’s theory wasn’t taken too seriously at the time, as it came out before the days of quantum physics, when elementary “particles” such as electrons were believed to rotate or “spin” as they orbited the nucleus.
Cartan’s original 1913 theory speculated that torsion fields would be some 30 orders of magnitude weaker than gravitation, and gravity is already known to be 40 orders of magnitude weaker than electromagnetic energy!
www.bibliotecapleyades.net /esp_divinecosmos_1.htm   (10194 words)

  
 This Day in Science History - Forums powered by UBBThreads™   (Site not responding. Last check: 2007-10-30)
By 1904 Cartan was turning to papers on differential equations and from 1916 on he published mainly on differential geometry.
Cartan also published work on relativity and the theory of spinors.
The Tungusta event, in a remote region of Russia, was a blast that destroyed 2,200 sq km of forest, believed to have been caused by a meteorite over 50-m diameter.
uplink.space.com /showflat.php?Cat=&Board=sciastro&Number=452327&page=0&view=collapsed&sb=5&o=0&fpart=4   (12146 words)

  
 new theory-earth evolution/ice age formation
This has resulted in us only relatively recently being able, thanks to satellite images, to see the ancient impact crater as the Earths’ pull on the Moon has of course meant that the other heavier side has always presented itself to us.
To look at a colour enhanced image of that iron stained impact crater is all it should take to see that whatever hit the Moon was made of iron and has moved it to where it is now.
It does not take a huge amount of further thought to deduce that anything large enough hitting the Earth during a crucial period of its’ formation would have dislodged the core as that’s the part which would have clumped together and solidified first.
lofi.forum.physorg.com /new-theory-earth-evolutionice-age-formation_4204.html   (3058 words)

  
 PhysOrgForum Science, Physics and Technology Discussion Forums [Powered by Invision Power Board]
The biggest is the South Pole-Aitken Basin- the largest impact crater in the entire solar system.
The Moon is denser on the side opposite the impact crater because when it was hit its mass was squashed towards that side.
The photograph taken from the Hubble satellite of the far side of the Moon appears to show that the impact crater was created by something spherical with a reverse spin due to the shape of the crater and the fact that it is deeper on the right hand side.
forum.physorg.com /index.php?act=Print&client=printer&f=16&t=4204   (2963 words)

  
 [No title]
Baily A 48.56 31.44 16.00 Crater Baily B 50.87 35.22 7.00 Crater Baily K 51.37 30.60 3.00 Crater Balandin -18.90 152.60 12.00 Crater A. A.; Soviet Chemist (1898-1967).
Becvar -1.90 125.20 67.00 Crater Antonin; Czechoslovakian Astronomer (1901-1965).
Mayer H 64.01 14.87 43.00 Crater Cabannes -61.53 -171.43 80.00 Crater Jean; French Physicist (1885-1959).5-026-h1 Cabeus -84.90 -35.50 98.00 Crater Cabeo, Niccolo; Italian Astronomer (1586-1650).4-166-h1,4-179-h1,4-193-h1 Cabeus A -82.01 -39.64 48.00 Crater Cabeus B -82.18 -53.46 61.00 Crater Cailleux -60.55 153.03 50.00 Crater Andre; French Geologist (1907-1986).
www3.telus.net /public/aling/lunarcal/Lushgaz.txt   (2606 words)

  
 Lunar features
About 300 mathematicians have lunar features (mostly craters) named after them.
You can see an account of how these features were named and whom they were called after.
Be warned that the list of lunar crater names is very large (about 600K).
physics.rug.ac.be /Fysica/Geschiedenis/Societies/LunarFeatures.html   (83 words)

  
 Divine Cosmos - Chapter 1
We will begin with a preliminary discussion of Einstein’s theory of relativity, followed by Dr. Eli Cartan’s additions to the model, which first established the existence of torsion fields in theory.
In 1913, Dr. Eli Cartan was the first to clearly demonstrate that the “fabric” (flow) of space and time in Einstein’s general theory of relativity not only “curved”, but it also possessed a spinning or spiraling movement within itself known as “torsion.” This area of physics is typically referred to as Einstein-Cartan Theory, or ECT.
Sciama et al demonstrated that these basic torsion fields expected in ECT did exist, and they were referred to as “static torsion fields.” The difference was that “dynamic torsion fields” were demonstrated as well, with properties far more remarkable than Einstein and Cartan had assumed.
www.timstouse.com /EarthChanges/DivineCosmos/chapter1.htm   (10225 words)

  
 Uspekhi Fizicheskikh Nauk, vol. 175, issue 7, 2005 (Physics-Uspekhi, vol. 48, issue 7, 2005)   (Site not responding. Last check: 2007-10-30)
A description of dislocation and disclination defects in terms of the Riemann – Cartan geometry is given, with the curvature and torsion tensors interpreted as the surface densities of the Frank and Burgers vectors, respectively.
A new free-energy expression describing the static distribution of defects is presented and equations of nonlinear elasticity theory are used to specify the coordinate system.
Numerical simulation of the impact process made it possible to evaluate the diameter of the impact-produced crater as a function of the initial density and porosity of the cometary nucleus.
ufn.ioc.ac.ru /abstracts/abst05/abst057.html   (896 words)

  
 [No title]
Cooper 52.9N 175.6E 36.0 Crater IAU1970 Cooper G 52.6N 178.5E 20.0 Crater AW82 Cooper K 51.1N 178.1E 30.0 Crater AW82 Copernicus 9.7N 20.1W 93.0 Crater VL1645 R1651 Copernicus A 9.5N 18.9W 3.0 Crater NLF?
Ginzel 14.3N 97.4E 55.0 Crater IAU1970 Ginzel G 13.7N 100.2E 42.0 Crater AW82 Ginzel H 12.7N 100.1E 50.0 Crater AW82 Ginzel L 13.1N 97.8E 28.0 Crater AW82 Gioja 83.3N 2.0E 41.0 Crater M1834 M1834 Giordano Bruno 35.9N 102.8E 22.0 Crater BML1960 IAU1961 Glaisher 13.2N 49.5E 15.0 Crater NLF Glaisher A 12.9N 50.7E 19.0 Crater NLF?
Heron 0.7N 119.8E 24.0 Crater IAU1976 Heron H 0.2N 120.7E 20.0 Crater AW82 Heron Y 1.4N 119.7E 15.0 Crater AW82 Herodotus 23.2N 49.7W 34.0 Crater M1834 M1834 Herodotus A 21.5N 52.0W 10.0 Crater NLF?
simkin.asu.edu /clem/lfl.tab   (5535 words)

  
 PhysOrgForum Science, Physics and Technology Discussion Forums -> Quoting a Post in new theory-earth evolution/ice age ...
This theory is very similar but takes into account also the history and obvious implications of the ancient, iron stained, giant impact crater on the Moon which couldn’t have been created unless it was by something very large that moved it a very great distance, very long ago.
This theory also takes into account the very differing faces of the Moon.
Taking into account the Einstein –Cartan theory and its later independent reinforcement by Sciama and Kibble in the 1950s, this torsion would explain the creation of non plant produced abiological petroleum and gas within the Earth due to crystal restructuring.
forum.physorg.com /index.php?act=Post&CODE=06&f=16&t=4204&p=47891   (5639 words)

  
 National Capital Astronomers, Past Meetings   (Site not responding. Last check: 2007-10-30)
Deep Impact’s spectacular July 4, 2005 impact on Comet Tempel 1 by a 350-kg (770 lbs.) impactor is expected to produce a football field-sized crater seven stories deep.
For a baseline model of a cometary nucleus, this should excavate a crater of 28m depth and 120m diameter.
Earth-based observatories will also play a key role in obtaining data at all wavelengths and with techniques that are not possible on the flyby spacecraft.
capitalastronomers.org /past.htm   (5792 words)

  
 NORDITA NEWS 1997/3   (Site not responding. Last check: 2007-10-30)
Jetsu and J. Pelt: Spurious periods in terrestrial impact crater record.
H.H. Soleng: Tensors in physics: User's guide and disk for the Mathematica package Cartan version 1.2.
H.H. Soleng: The Mathematica packages CARTAN and MathTensor for tensor analysis.
www.nordita.dk /news/nornews/nornews97.3.html   (1741 words)

  
 Cambridge Conference Correspondence
a peculiar bluish dust, and a puzzling lack of small craters.
crater rates (for craters less than about 100 meters in diameter) on the
He became strongly influenced by the pure mathematician Henri Cartan and the
abob.libs.uga.edu /bobk/ccc/cc111402.html   (3575 words)

  
 C - Comprehensive directory for flights, hotels, vacation packages, cruises and rental cars and more.
Specializes in guided snowmobile tours through the mountains and provincial parks of Northern Ontario.
Fly into the crater for a close-up view of the lava dome (now 1,100-1,200 ft high), and to Spirit Lake, Harry Truman's ill-fated last stand.
Offering tours to Kilimanjaro, Ngorongoro Crater, the Serengeti, Zanzibar, and other locations throughout Tanzania.
www.turntotravel.com /Tour_Operators/By_Alphabets/C   (5988 words)

  
 sci.astro: By Thread
Cassini's Radar Spots Giant Crater on Titan baalke_at_earthlink.net
Re: Does total speed of light in vacuum change in a gravity field?
Cartan forms curvature, torsion and Einstein's GR Jack Sarfatti
sci.tech-archive.net /Archive/sci.astro/2005-02   (4012 words)

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