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Topic: Darwin (Lunar crater)


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  Darwin (Lunar crater) - Wikipedia, the free encyclopedia
Darwin is a lunar crater of the type categorised as a walled plain.
To the northeast is the dark-floored Crüger crater.
The satellite crater 'Darwin B', a fairly large formation with a diameter of 56 kilometers, is attached to the outer western rim.
en.wikipedia.org /wiki/Darwin_(Lunar_crater)   (345 words)

  
 [No title]   (Site not responding. Last check: 2007-10-20)
The crater named for Charles Darwin, the 19th-century English biologist and author of The Origin of Species, sits near the crater named after Jean-Baptiste Lamarck, the French zoologist whose major accomplishment was the division of animal Life into the vertebrate and invertebrate categories.
Earth's polar explorers are appropriately remembered at the Lunar poles: Amundsen and Scott are 62-mile (100-km) craters at the Lunar south pole.
The craters Nansen and Byrd Lie near the Lunar north pole.
atropos.as.arizona.edu /aiz/teaching/a204/moon/Astron99.27.2.82.txt   (1724 words)

  
 Sirsalis (crater) - Wikipedia, the free encyclopedia
Sirsalis is a relatively young lunar impact crater located near the western lunar limb, to the southwest of the Oceanus Procellarum.
This long rille runs 330 kilometers from the shore of Oceanus Procellarum until it crosses the crater 'Darwin A' and intersects the Rimae Darwin to the east of Darwin crater.
By convention these features are identified on Lunar maps by placing the letter on the side of the crater mid-point that is closest to Sirsalis crater.
en.wikipedia.org /wiki/Sirsalis_crater   (182 words)

  
 LPOD - Lunar Photo of the Day - February 12, 2004   (Site not responding. Last check: 2007-10-20)
Charles Darwin, who ranks with Newton and Einstein as one of the world's greatest scientists, was born on this date 195 years ago at Shrewsbury, England.
Darwin is the left of center crater cut by a diagonal rille and containing an off-center coarse dome.
Lunar Orbiter IV images show that this entire region is mantled in deep and contorted, ground-hugging ejecta from the Orientale impact.
www.lpod.org /archive/2004/02/LPOD-2004-02-12.htm   (286 words)

  
 Appendix A
Gilbert, the Chief Geologist of the United States Geological Survey, observed in 1892 that, lunar craters simply did not conform in physical characteristics or in sheer numbers to terrestrial volcanic craters, and he reasoned that the moon's primary features, including the extensive maria, must be accounted for by impact cratering.
Baldwin demonstrated conclusively that not only do lunar craters bear little or no physical resemblance to volcanic craters, but most lunar crater diameters as a function of their depth correspond closely to those of known terrestrial meteoric craters and artificial craters formed by explosive charges.
Whatever the composition of the lunar soil, by 1960 the impact thesis was generally accepted among planetary astronomers and geophysicists as describing the primary process that shaped the lunar surface.
history.nasa.gov /SP-4210/pages/App_A.htm   (2260 words)

  
 [No title]
Thus, even though we don't know which crater was the source of each spherule, the distribution of the ages of the spherules from a single lunar site reflects the age distribution of craters on the Moon.
The increase in cratering was roughly coincident with the Cambrian explosion of complex life on Earth.
The lunar spherule project was originally conceived [1] as a method to search for periodicities in comet showers, a prediction of the Nemesis theory [10].
muller.lbl.gov /papers/lunarAbstract.htm   (1720 words)

  
 Observing the Sky » Moon: Day 26 - “To Schickard’s Perimeter”   (Site not responding. Last check: 2007-10-20)
With contrast diminishing in brightening dawn, the lunar terminator is found at 91x to be at 50 degrees west longitude.
It is illuminated because of its elevation, and all of the crater’s floor is sunlit.
Between the cusps and near the equater, it is small crater Reiner (29.9 km) that appears isolated in the vast “smooth” Oceanus Procellarum - an island of imprinted darkness in a sense, by an ancient impact.
www.observingthesky.org /index.php?p=542   (255 words)

  
 Philosophy Forum > Lunar landing real?
There are some people who say the lunar landing by Armstrong was recorded in a studio, because there couldn't have been enough light on the moon that time.
Of course, the presence of these objects are not an 'absolute proof' that lunar landing did take place, the American can drop them from an unmanned probe, but the absense of these objects made a strong argument against the lunar landing.
Did they leave that disc during their lunar landing, if not, it is not an artefact of lunar landing.
forum.darwinawards.com /lofiversion/index.php/t5735.html   (5442 words)

  
 MeteoriteTimes.com - Collectors' Corner   (Site not responding. Last check: 2007-10-20)
Darwin glass is found around the remains of a one kilometer diameter crater southeast of Mt. Darwin in Tasmania, Australia.
Crater glasses have a rougher appearence over tektite glasses and are generally more porous.
The largest crater measures 160 meters and the smallest 6 meters, all grouped nice together in a classic strewn field ellipse.
www.meteoritetimes.com /Back_Links/2002/June/colectors_corner.htm   (2689 words)

  
 nc_182
In his 1955 book "Flying Saucers on the Moon", H J Wilkins (not to be confused with the famous lunar observer H P Wilkins) calls the moon "a sort of cosmic Clapham Junction!" However, it seems that these extraterrestrials haven't been too brilliant in disguising the locations of their various moon bases.
The section's only observation of the partial lunar eclipse of May 25 was made by Alexei Pace (Malta), who sent a good series of disc drawings made between 02h 55m and 03h 30m UT. It seems as though most of us in Britain were totally clouded-out for this event.
This crater, in the crowded southern uplands, was probably formed in the last 25 percent of the moon's history, judging by the lack of cratering on its floor.
www.lunarobservers.com /nc_182.htm   (781 words)

  
 Johns, W. H. --- Anomalous Ages for Meteorite Impacts and Tektites
The presence of coesite, suevite and shatter cones indicates that this is an impact crater (Schnetzler et al.
Glass from the crater itself and from the Ivory Coast strewn-field 300 km to the west shows concordant K-Ar and fission-track ages of 1.3 m.y.
One of the most ironic outcomes of the lunar space probe which began as an attempt to uncover the evolutionary origin of the moon is that it has provided data that show the terrestrial evolutionary time-scale to be in serious question.
www.grisda.org /origins/03085.htm   (3915 words)

  
 Drift Seeds and Drift Fruits
It is ironic that Darwin chose common cultivated and garden plants for his flotation experiments and not the tropical beach species which are marvelously adapted for sea dispersal.
Darwin, C. "On the Action of Sea-Water on the Germination of Seeds." Journal of the Proceedings of the Linnean Society 1: 130-140.
Darwin, C. "Effect of Salt-Water on the Germination of Seeds." Gardeners' Chronicle and Agricultural Gazette 47: 773.
waynesword.palomar.edu /pldec398.htm   (6667 words)

  
 Eagle Eye on Opportunity's Crater :: Astrobiology Magazine :: Search for Life in the Universe
The crater, now informally referred to as "Eagle Crater," is approximately 22 meters (72 feet) in diameter.
The drive along the crater's inner slope that was initiated on the last sol continued this sol until Opportunity exited its landing-site crater.
Controllers sent it on a different route for exiting the crater and images from the navigation camera confirmed that the rover is now about 9 meters (about 29.5 feet) outside of the crater.
www.astrobio.net /news/modules.php?op=modload&name=News&file=article&sid=889&mode=thread&order=0&thold=0   (411 words)

  
 Earth Impact Database
Basilevsky, A.T. Fel'dman, V.I. 1983 Geochemistry of the impactites from the Yanis'Yarvi, Kara, and El'gygytgyn craters (in Russian).
Masaitis, V.L. Mashchak, M.S., Raikhlin, A.I., Selivanovskaya, T.V., and Danilin, A. 1978 Meteorite craters and astroblemes in the USSR (in Russian).
Mashchak, M.S. ersky, V.A. 1980 Clastic dikes of the Kara crater (Pai-Khoi) (abstract).
www.unb.ca /web/passc/ImpactDatabase/images/kara.htm   (1435 words)

  
 Different Flavors of Blueberries :: Astrobiology Magazine :: Search for Life in the Universe
Whether they blew into the rover's recently departed home at Eagle Crater, or came from the flat plains is a test mission scientists hope to answer by driving nearly a half mile to the much larger Endurance crater over the next two weeks.
The distribution changes from basaltic (volcanic in origin) to hematite from the crater's center to its rim." Scientists reported Friday that they have found the most hematite anywhere yet seen on Mars at the crater rim, even higher than what previously was thought to form a natural bowl of many such berries.
In Eagle Crater, this is mainly "crud", says Arvidson, where the glass may have eventually weathered to dust but through an intermediate semi-crystalline opal or silica with hydrated iron and sulfates.
www.astrobio.net /news/article896.html   (1097 words)

  
 Observing the Sky
Crater Posidonius would have maximum relief, and the crater trio of Theophilus, Cyrillus, and Catherina would be eye-catching at 75x through a telescope.
Craters as far west as 25 degrees east longitude should be “rising” out of the flat lunar canvas.
A connected crater trio is visible shortly south of the lunar equator, and all have some shade against their east walls.
www.observingthesky.org /index.php?m=200412   (6405 words)

  
 The Lunar Crater Furnerius and the Mystery of Schroters Dome
The crater first attracted attention in an attempt to try and establish the true nature of the southern floor as depicted by J.H.Schroter in his "Selenotopographische Fragmente" (1791-1802), and first noted by J.H.Phillips in his paper "Lunar Domes First Observed by J.H.Schroter" from the Journal of the A.L.P.O. vol.32 nos.3-4.
At lunar longitude 60° East, 81 mile diameter Furnerius is a member of a group of large craters which lie in a North-South line and include Langrenus, the ancient flooded enclosure Vendelinus and Petavius.
Assuming the arc to the left of the drawing, and containing the drawing, is the position of the terminator, I estimate the suns colongitude value to be around 105°.
www.manastro.free-online.co.uk /members/articles/furnerius.htm   (886 words)

  
 Lunar Republic : Craters
Darwin, reflecting on his observation, developed a theory of evolution.
Darwin called the process "natural selection," whereby favorable traits in the most "fit" animals allow them to survive and reproduce.
In 1807, Delambre was appointed to the chair of astronomy at the Collège de France in Paris, and also served as treasurer to the Imperial University from 1808.
www.lunarrepublic.com /gazetteer/crater_d.shtml   (3839 words)

  
 Jarmo Moilanen´s homepage - Impact crater list references
Craters of Ilumetsä crater Økm Põrguhaud 0.080 Sügavhaud 0.050 Tondihaud or Kuradihaud?
These craters was studied already in early 1800's but it was until 1927 meteoritic origin of these craters were established.
Craters of Morasko crater Økm 1 0.100 2 0.025 3 0.063 4 0.035 5 0.015 6 0.024 7 0.050 8 0.035
www.somerikko.net /old/geo/imp/refer.htm   (5163 words)

  
 Galapagos   (Site not responding. Last check: 2007-10-20)
The response of iguanas, sea lions, tortoises and an abundant bird population is in their lack of fear for humankind.
Charles Darwin's visit while on a five-year, worldwide scientific voyage on the HMS Beagle (1831-1836) led to a monumental insight that resulted in his controversial theory of evolution and put this remote natural laboratory on the map and into the headlines.
Once hatched, the iguana babies, just days old, make the hazardous trip out of the crater and back down to the shores; and it is a gauntlet for them as birds and snakes pick most of them off on the way.
www.romartraveler.com /RomarPages/Galapagos.html   (2265 words)

  
 Darwin (Lunar crater) - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-20)
Parts of the interior floor of Darwin crater have been resurfaced by lava, and a system of rilles cut across the northern part of the floor, crossing the eastern rim and continuing to the southeast.
The southern floor of Darwin is rough and irregular, with several small craterlets in the surface.
There is also a somewhat irregular region in the northeast part of the floor.
www.phatnav.com /wiki/index.php?title=Darwin_(Lunar_crater)   (321 words)

  
 ESA - Science - Space sensations - Close-up of the lunar surface
It has a diameter of 1123 kilometres and is between 3700 million and 3900 million years old.
The three craters right of the centre are Archimedes, Autolycus, and Aristillus.
The large crater with the detail in the middle shown in the top left-hand corner is Copernicus.
www.esa.int /esaSC/SEM1LTYO4HD_sensations_1.html   (107 words)

  
 Observing log for BAA/ALPO members for April 2003   (Site not responding. Last check: 2007-10-20)
This crater is unusual in that it appears to have a ridge breaching the north crater wall and extending some distance into the interior.
Posidonius B and D on the northeast border of the crater were clearly visible throughout the observation period though their interiors were in fl shadow.
With the Blue 38A the bright NW portion of the inner crater wall was greatly emphasized in comparison to white or red light.
www.cs.nott.ac.uk /~acc/Lunar/2004nov.htm   (5170 words)

  
 The Crater Company - Moon Crater Catalog - Index Of Named Lunar Craters   (Site not responding. Last check: 2007-10-20)
The accuracy of Eckert's calculations of the Moon's orbit was so good that in 1965 he was able to correctly show that there was a concentration of mass near the lunar surface.
Sir Arthur Stanley ~ (1882-1944), British astrophysicist and mathematician; succeeded George Darwin as Plumian Professor of Astronomy at Cambridge (1913), and became director of the Cambridge Observatory (1914).
Using an 8.5" reflector, Elger made many drawings of the Moon between 1884 and 1896; his sketchbooks survive, and are now in the possession of the British Astronomical Association.
www.cratercompany.com /catalog/crater_e.shtml   (2044 words)

  
 Chronological Catalog of Reported Lunar Events - July 1968 - NASA Technical Report R-277   (Site not responding. Last check: 2007-10-20)
Exceptional darkness of crater floor, three light spots noted at foot of E wall.
Although no light streaks were visible, there was a large and conspicuous spot near the center.
Since this spot has been noted as slightly but definitely rimmed all round, Wilkins suggested that temporary dark cloud or vapor may have covered true floor up to level of rim.
www.creationism.org /books/nasalunar/NASA_R-277_1900_49.htm   (594 words)

  
 SkyScopes NASA Project Apollo and the Moon   (Site not responding. Last check: 2007-10-20)
An interesting parallel exists between the voyages of H.M.S. Beagle and the missions of Apollo: One changed the course of the biological sciences, and the others are reshaping planetary and Earth sciences.
Apollo Lunar Surface Journal Sending humans to the Moon was arguably the most difficult technological undertaking in all of history.
The demonstration was performed before the television camera on the lunar roving vehicle, and no photographs were made.
www.skyscopes.com /scope/apollo.html   (657 words)

  
 [No title]
The Gusev crater lies in the northern part of the highlands that contain the remanent magnetization.The highlands around Gusev crater are characterized by a plateau of most likely basalt.
A lunar garden has to supplement less appetizing packaged food brought from the Earth, and the ornamental plants have to serve as valuable means for emotional relaxation of crews in a hostile lunar environment.
Although the lunar rocks are microorganism free, there will be a problem with the acquired infection (pathogens brought from the Earth) in the substrate used for the plant growing.
www.phys.uu.nl /~rutten/rrtex/bibfiles/ads/abs/foing.txt   (9332 words)

  
 Lunar Republic : Rima
Incorrectly designated as a rima; should be categorized as a catena.
The Lunar Republic™, The Full Moon Atlas ™, The Lunar Consulate™, The Lunar Registry ™ and the phrases
Lunar Republic, S.A. and the International Lunar Society.
www.lunarrepublic.com /gazetteer/rima.shtml   (49 words)

  
 Meteor Crater
Everyone in the 1960s who believed tektites were lunar in origin believed that they had to be ejected impact melts because a few of them contained some very small nickel-iron spherules which they felt had to be from impacting meteorites.
A very unscientific result of ignoring the earlier tektite research is that many of the present generation of impact geochemists and others working on tektites appear to have little concept of the several varieties of tektite glass types and structures that exist, nor of the numerous arguments that still preclude an impact origin.
This would be possible in a lunar pryoclastic event where such grains could be from the walls of the vent, and blown out of the vent to be deposited, with the microtektites that formed from the boiling magma, onto the surrounding surface.
www.meteorite.com /Darryl_Futrell   (2658 words)

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