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Topic: Balmer crater


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In the News (Mon 28 May 12)

  
  Johann Jakob Balmer - Wikipedia, the free encyclopedia
Johann Jakob Balmer (May 1, 1825 – March 12, 1898) was a Swiss mathematician and an honorary physicist.
Balmer then used this formula to predict the wavelength for m = 7, and a colleague at the university was able to confirm a match to a high degree of accuracy.
Balmer crater on the Moon is named after him.
en.wikipedia.org /wiki/Johann_Jakob_Balmer   (328 words)

  
 Balmer biography
However, despite being a mathematics teacher and lecturer all his life, Balmer is best remembered for his work on spectral series and his formula, given in 1885, for the wavelengths of the spectral lines of the hydrogen atom.
It is surprising to realise that Balmer was sixty years old when he wrote the paper for which he is famous on the spectral lines of the hydrogen atom and that he was seventy-two when he wrote his only other work on this topic.
Putting m = 7 gave Balmer a predicted value for the next line and indeed a colleague at the University of Basel was able to tell Balmer that this line had been observed and the wavelength agreed with a high level of accuracy with the one Balmer's formula predicted.
www-groups.dcs.st-and.ac.uk /history/Biographies/Balmer.html   (586 words)

  
 Irene Antonenko, Ph.D. Thesis: Chapter 3
This dark-haloed crater (#15 in Figure 8) is so prominent that its halo can clearly be seen in the 750 nm filter image of Figure 2a and is also identifiable in the color composite of Figure 2b as a distinct yellow halo surrounding the crater.
This dark-haloed crater, in the southwest quadrant of Schickard, displays a series of spectra that progress from basaltic to highland to basaltic (#12, 13, 14 respectively), beginning at the crater rim and moving closer to the bottom (Figure 6).
For small craters, the presence of basalt spectra on the crater slopes allows the crater's depth of excavation to be used as a maximum estimate for the depth to the top of the cryptomafic layer.
home.the-wire.com /~iant/Thesis/chapter3/chapt3.html   (10529 words)

  
 Balmer, Johann Jakob - Hutchinson encyclopedia article about Balmer, Johann Jakob   (Site not responding. Last check: 2007-10-30)
Swiss physicist and mathematician who developed a formula in 1884 that gave the wavelengths of the light emitted by the hydrogen atom (the hydrogen spectrum).
Balmer was born near Basel, where he taught school for 40 years.
This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.
encyclopedia.farlex.com /Balmer,+Johann+Jakob   (202 words)

  
 Biography of Johann Balmer   (Site not responding. Last check: 2007-10-30)
Johann Jakob Balmer (May 1, 1825 — March 12, 1898) was a Swiss mathematician.
Despite being a mathematician, he is not remembered for any work in that field; rather, his major contribution (made at the age of sixty) was an empirical formula for the spectral lines of the hydrogen atom.
A crater on the Moon is named after him.
biography-3.qardinalinfo.com /b/Balmer_Johann.html   (95 words)

  
 Irene Antonenko, Ph.D. Thesis: Chapter 4
The Balmer cryptomafic area occupies a region known as the Balmer basin, a degraded, pre-Nectarian basin, with an inner ring measuring 225 km in diameter and an outer ring 450 km in diameter [Maxwell and Andre, 1981].
Several dark-haloed craters have been identified in the light plains units to the south of Hercules, and one dark-haloed crater is found on the southern portions of the Hercules ejecta deposit [Giguere et al.
Crater penetration was used by Budney and Lucey [1998] to estimate the thickness of materials in Mare Humorum.
home.the-wire.com /~iant/Thesis/chapter4/chapt4.html   (18788 words)

  
 A Leap of Faith: Bungee Jumping, Canyoning, and Rafting in Switzerland's Jungfrau Region
When Peter Balmer, a co-owner of Adventure World, asked if I'd like to bungee jump and try other of his adventure activities, I had figuratively jumped at the chance.
Growing up in a region surrounded by some of Switzerland's most spectacular Alps, he learned early on to be part of his environment.
In addition to having written two books about Crater Lake National Park, he has had stories and photographs published in a variety of books, magazines and newspapers.
www.highonadventure.com /Hoa98feb/Bungee/bungee.htm   (1096 words)

  
 OEDILF - Topic
The Balmer series corresponds to electrons leaving or returning to the (n=2) energy level, and its lines are prominent in the visible-light spectra of most stars.
At the age of 20, Dominique François Jean Arago (AH-ruh-go) (1786—1853) went on a scientific expedition to Spain to determine the length of a meridian of arc, and hence the meter.
The lunar crater that bears his name has a diameter of 40 km, and is located on the southwest limb of the Moon.
www.oedilf.com /db/Lim.php?Topic=155   (1847 words)

  
 [No title]
Al-Bakri 14.34 20.27 12.00 Crater A. A.; Spanish-Arab Geographer (1010-1094).
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).
www3.telus.net /public/aling/lunarcal/Lushgaz.txt   (2606 words)

  
 [No title]
Berosus 33.5N 69.9E 74.0 Crater VL1645 NLF Berosus A 33.1N 68.1E 12.0 Crater NLF?
Brewster 23.3N 34.7E 10.0 Crater IAU1976 Brianchon 75.0N 86.2W 134.0 Crater RLA1963 IAU1964 Brianchon A 76.7N 86.3W 50.0 Crater RLA1963?
Cepheus 40.8N 45.8E 39.0 Crater VL1645 NLF Cepheus A 41.0N 46.5E 13.0 Crater NLF?
host.planet4589.org /astro/lunar/Craters   (2666 words)

  
 LPOD lunar photo of the day » 2006 » February
Rheita E (66 by 32 km) appears to be made of three overlapping craters which probably formed simultaneously since there are no walls between them.
Because the Rheita Valley is radial to Mare Nectaris it is widely interpreted as a secondary crater chain made by ejecta during the formation of that basin.
This encourages the speculation that Rheita E is also a basin secondary crater chain.
www.lpod.org /?m=20060202   (208 words)

  
 Deep Magic Book Reviews   (Site not responding. Last check: 2007-10-30)
Indeed, we're being bombarded by little bits all the time; occasionally one of them is large enough to create large-scale destruction, such as Meteor Crater in Arizona or the Siberian event of the early 20th century.
Also, even though it was written after WWI, there's still a strong sense of the ability of man and his technological prowess to overcome anything that stands in his way.
But even so, Wylie and Balmer were not entirely enraptured with man's ability to overcome.
reviews.deep-magic.net /review.php?id=25   (692 words)

  
 Grove Antiquarian - Philip Wylie Bibliography
(with Edwin Balmer) Frederick A. Stokes N 1934.
013: THE SHIELD OF SILENCE (with Edwin Balmer).
From 1938 to 1941 there was an adventure comic strip running in the daily papers called "Speed Spaulding" credited to Philip Wylie and Edwin Balmer.
grovebook.com /GA8.htm   (1000 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 large (about 600K).
www-history.mcs.st-andrews.ac.uk /history/Societies/LunarFeatures0.html   (85 words)

  
 LPP research activity at QEL review   (Site not responding. Last check: 2007-10-30)
During this period we have analysed in detail the Lyman spectra emitted from Be to O [2-5] and the Balmer spectra from B to F [6].
The paper [5], giving the extent of the different contributions to the broadening along the isoelectronic sequence, can be considered as a review article.
With this system very interesting end-on observations of the plasma in the ablation region inside the crater have been made [8-10].
www.dei.unipd.it /ricerca/el-quant/lpp.html   (909 words)

  
 Glossary
A series of 4 visible colors emitted by glowing hydrogen, appearing as a series of 4 "lines" in the spectrogram of hydrogen light (additional lines can be observed by instruments, beyond the range of the human eye).
Johann Balmer, a high-school teacher, discovered in 1885 a simple but accurate formula connecting the wave frequencies of these colors, which provided the first clues to processes inside atoms, starting a process which ultimately led to quantum physics.
Rydberg constant A constant appearing in Balmer's formula, first explained by the Bohr model of the hydrogen atom.
www-istp.gsfc.nasa.gov /stargaze/Sgloss.htm   (14613 words)

  
 Seen 'n Heard, 3/2001 - Short news clips
(February 16, 2001) Jared Balmer, Executive Director of Island View, A Residential Treatment Center for Adolescents in Syracuse, Utah, 801-773-0200, was overheard saying they finally replaced their “old, inaccurate, outdated, and tacky brochure” with a new more complete and better looking one.
I especially recommend the introduction to the Parenting Manual, which is an excellent discussion on the traps facing parents with children in a residential program, and why and how certain parent reactions can undermine success.
They are remaining consistently close to their full capacity of 25 students.
www.strugglingteens.com /archives/2001/3/seen01.html   (392 words)

  
 CiteULike: Hoshichan's Lucey   (Site not responding. Last check: 2007-10-30)
Lunar optical maturity investigations: A possible recent impact crater and a magnetic anomaly
Remote sensing and geologic studies of the Balmer-Kapteyn region of the Moon
algorithm anomaly apollo balmer-kapteyn basin crater cryptomaria geology impact iron lunar magnetic mapping mare moon orientale outgassing radar remotesensing seismic seismology spectrometer
www.citeulike.org /user/Hoshichan/author/Lucey   (126 words)

  
 Publication Listing
The Man Higher Up • (1909) • novelette by Edwin Balmer and Wm.
Through the Crater's Rim • novelette by A.
Through the Crater's Rim • interior artwork by Frank R. Paul
isfdb.tamu.edu /cgi-bin/pl.cgi?AMAZDEC1926   (201 words)

  
 GUITAR CENTER PORTLAND   (Site not responding. Last check: 2007-10-30)
Event: Portland Guitar Festival presents; Dan Balmer Workshop...
There are 9 dealers that match your criteria.
Event: Portland Guitar Festival presents; Jazz Guitar Summit Dan Balmer, Jerry Hahn, Hohn...
www.free-music-105.com /portland/guitar_center_portland.html   (562 words)

  
 Foclóir Réalteolaíochta
Arizona meteorite crater (= Barringer crater, Coon Butte crater) cráitéar m1 dreigíte Arizona
Coon Butte crater (= Arizona meteorite crater, Barringer crater) cráitéar m1 Coon Butte
Crater s (= the Cup) (Const.) Crater m4
www.acmhainn.ie /tearmai/realt.htm   (4624 words)

  
 [No title]
Pondrelli, M.; Baliva, A.; Di Lorenzo, S.; Marinangeli, L.; Rossi, A. Complex evolution of paleolacustrine systems on Mars: An example from the Holden crater
Blewett, David T.; Hawke, B. Ray; Lucey, Paul G. Lunar optical maturity investigations: A possible recent impact crater and a magnetic anomaly
Absolute photon cross sections for Balmer lines from proton-SO collisions
www.agu.org /pubs/toc/54/54_05_17.html   (93 words)

  
 LPOD lunar photo of the day » A BULBOUS SLOT
LPOD lunar photo of the day » A BULBOUS SLOT
Tidal disruption is a possibility - I should have thought about it - I published a paper on that process having produced some lunar crater chains the same time that Jay Melosh and Ewen Whitaker did in the 90s!
The other suggested disruption chains tend to be longer (the Davy and Albufeda chains) but short ones like Rheita E could form.
www.lpod.org /?p=54   (489 words)

  
 CASS Slide Collection   (Site not responding. Last check: 2007-10-30)
57 Impact craters on Mercury south polar region
196 Impact craters and volcanic domes Lavinia region from Magellan
3 Views of the Moon crater Gagarin, Mare Serenitatis,Mare Orientale
cassfos02.ucsd.edu /marlar/slides.html   (3074 words)

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