lunar crater data latitude 50.8 N or S N longitude 163.9 E or W E diameter 248 km depth Unknown colong 201 eponym Jean le Rond d Alembert Jean d Alembert D Alembert is a large Moon lunar impact crater located in the northern hemisphere on the Far side Moon far side of the Moon , to the northeast of the somewhat smaller walled plain Campbell lunar crater Campbell . Astride the southwest rim of D Alembert is Slipher lunar crater Slipher . To the north is the crater Yamamoto crater Yamamoto , and to the south southwest lies Langevin crater Langevin . This walled plain has the same diameter as Clavius crater Clavius on the near side, making it one of the largest such formations on the Moon. As with many lunar walled plains of comparable dimensions, the outer rim of this formation has been worn and battered by subsequent impacts. Besides Slipher, the most notable of these craters is D Alembert Z intruding into the northern rim. There is also a small crater on the northwest inner wall that has a wide cleft in its eastern side, and a smaller crater along the southeastern inner wall. As eroded as the rim may be, its form can still be readily discerned as a roughly circular ridge line in the lunar terrain. The interior floor of D Alembert is a relatively level surface, at least in comparison with the rough terrain that surrounds the crater rim. It is marked with a number of small crater impacts, the largest being D Alembert G and D Alembert E toward the eastern rim. In the southwest, the floor is more irregular due to the outer wikt rampart rampart and layers of ejecta from Slipher. A pair of shallow clefts in the floor surface radiate away from this crater, beginning near the mid point of D Alembert and reaching half way toward the inner wall. Satellite craters By convention these features are identified on lunar maps by placing the letter on the side of the crater mid point that is closest ... center 44 km References Lunar crater references Category Impact craters on the Moon Category Article ... more details
D Alembert may refer to Jean le Rond d Alembert the D Alembert operator , named after the former D Alembert crater a lunar crater , also named after the above disambig ... more details
Infobox Planet minorplanet yes width 25em bgcolour FFFFC0 apsis name d Alembert symbol image caption discovery yes discovery ref discoverer Elst, E. W. discovery site La Silla discovered February 13, 1988 designations yes mp name 5956 alt names 1988 CF5 named after Jean le Rond d Alembert mp category orbit ref epoch May 14, 2008 aphelion 3.5002561 perihelion 1.9294561 semimajor eccentricity 0.2892971 period 1633.8742804 avg speed inclination 8.94352 asc node 188.82445 mean anomaly 306.39073 arg peri 182.63918 satellites physical characteristics yes dimensions mass density surface grav escape velocity sidereal day axial tilt pole ecliptic lat pole ecliptic lon albedo temperatures temp name1 mean temp 1 max temp 1 temp name2 max temp 2 spectral type abs magnitude 12.7 5956 d Alembert 1988 CF5 is a Asteroid belt main belt asteroid discovered on February 13, 1988 by Elst, E. W. at La Silla . External links http ssd.jpl.nasa.gov sbdb.cgi?sstr 5956 d 27Alembert JPL Small Body Database Browser on 5956 d Alembert MinorPlanets Navigator 5955 Khromchenko 5957 Irina MinorPlanets Footer DEFAULTSORT d Alembert Category Main Belt asteroids Category Asteroids named for people Category Discoveries by Eric Walter Elst Category Astronomical objects discovered in 1988 beltasteroid stub fa it 5956 d Alembert hu 5956 d Alembert pl 5956 d Alembert pt 5956 d Alembert uk 5956 vi 5956 d Alembert yo 5956 d Alembert ... more details
The Family D Alembert series is a set of science fiction novels by Stephen Goldin , the first of which was expanded from a novella by E E Doc Smith E. E. Doc Smith . Plot Jules and Yvette D Alembert are a brother and sister team of aerialists in the D Alembert family Circus of the Empire and also work as agents in SOTE, The Service of The Empire , the imperial intelligence agency. Series The series comprises the following books Imperial Stars 1976 Stranglers Moon 1976 The Clockwork Traitor 1976 Getaway World 1977 Appointment at Bloodstar , also known as The Bloodstar Conspiracy 1978 The Purity Plot 1978 Planet of Treachery 1981 Eclipsing Binaries 1983 The Omicron Invasion 1984 Revolt of the Galaxy 1985 Category Science fiction book series ... more details
Classical mechanics cTopic Fundamental concepts Image Alembert.jpg thumb right Jean d Alembert D Alembert s principle , also known as the Lagrange d Alembert principle , is a statement of the fundamental classical physics classical laws of motion. It is named after its discoverer, the France French physicist and mathematician Jean le Rond d Alembert . The principle states that the sum of the differences between the force s acting on a system and the time derivative s of the momentum momenta of the system itself along any virtual displacement consistent with the constraints of the system, is zero. Thus, in symbols d Alembert s principle is written as following, math sum i mathbf F i m i mathbf a i cdot delta mathbf r i 0, math where math mathbf F i math are the applied forces, math delta mathbf r i math is the virtual displacement of the system, consistent with the constraints, math m i scriptstyle math are the masses of the particles in the system, math mathbf a i math are the accelerations of the particles in the system, math m i mathbf a i math together as products represent the time derivatives of the system momenta, and math i math is an integer used to indicate via subscript a variable corresponding to a particular particle. It is the dynamic analogue to the principle of virtual work for applied forces in a static system and in fact is more general than Hamilton s principle , avoiding restriction to holonomic systems. ref name Lanczos cite book title The variational principles of mechanics author Cornelius Lanczos page 92 edition 4rth Edition publisher Dover Publications Inc. location New York isbn 0 486 65067 7 year 1970 url http books.google.com books?id ZWoYYr8wk2IC&pg PA92&dq 22d 27Alembert 27s principle 22 ref A holonomic constraint depends only on the coordinates and time. It does not depend on the velocities. If the negative terms in accelerations are recognized as inertial force s , the statement of d Alembert s principle becomes The total virtual ... more details
Lowercase title d Alembert s Solution of the wave equation Unreferenced date September 2009 Textbook date June 2010 In mathematics , and specifically partial differential equations , d Alembert s formula is the general solution to the one dimensional wave equation math u tt c 2u xx 0, , u x,0 g x , , u t x,0 h x , math for math infty x infty, , , t 0 math . It is named after the mathematician Jean le Rond d Alembert . ref D Alembert 1747 http books.google.com books?id lJQDAAAAMAAJ&pg PA214 v onepage&q&f false Recherches sur la courbe que forme une corde tendu mise en vibration Researches on the curve that a tense cord forms when set into vibration , Histoire de l acad mie royale des sciences et belles lettres de Berlin , vol. 3, pages 214 219. See also D Alembert 1747 http books.google.com books?id lJQDAAAAMAAJ&pg PA220 v onepage&q&f false Suite des recherches sur la courbe que forme une corde tendu mise en vibration Further researches on the curve that a tense cord forms when set into vibration , Histoire de l acad mie royale des sciences et belles lettres de Berlin , vol. 3, pages 220 249. See also D Alembert 1750 http books.google.com books?id m5UDAAAAMAAJ&pg PA355 v onepage&q&f false Addition au m moire sur la courbe que forme une corde tendu mise en vibration, Histoire de l acad mie royale des sciences et belles lettres de Berlin , vol. 6, pages 355 360. ref The method of characteristics characteristics of the PDE are math x pm ct mathrm const , math , so use the change of variables math mu x ct, eta x ct , math to transform the PDE to math u mu eta 0 , math . The general solution of this PDE is math u mu, eta F mu G eta , math where math F , math and math G , math are math C 1 , math functions. Back in math x,t , math coordinates, math u x,t F x ct G x ct , math math u , math is math C 2 , math if math F , math and math G , math are math C 2 , math . This solution math u , math can be interpreted as two waves with constant velocity math c , math moving in o ... more details
In special relativity , electromagnetism and Wave wave theory , the d Alembert operator represented by a box math scriptstyle Box math , also called the d Alembertian or the wave operator , is the Laplace operator of Minkowski space . The operator is named for French mathematician and physicist Jean le Rond d Alembert . In Minkowski space in standard coordinates t , x , y , z it has the form math begin align Box & partial mu partial mu g mu nu partial nu partial mu frac 1 c 2 frac partial 2 partial t 2 frac partial 2 partial x 2 frac partial 2 partial y 2 frac partial 2 partial z 2 & frac 1 c 2 partial 2 over partial t 2 nabla 2 frac 1 c 2 partial 2 over partial t 2 Delta end align math Here math scriptstyle g mu nu math is the Minkowski metric with math scriptstyle g 00 , , 1 math , math scriptstyle g 11 , , g 22 , , g 33 , , 1 math , math scriptstyle g mu nu , , 0 math for math scriptstyle mu , neq , nu math . Note that the and summation indices range from 0 to 3 see Einstein notation . We have assumed units such that the speed of light math scriptstyle c , , 1 math . Some authors also use the negative metric signature of with math scriptstyle eta 00 , , 1, eta 11 , , eta 22 , , eta 33 , , 1 math . Lorentz transformation s leave the Minkowski metric invariant, so the d Alembertian is a Lorentz scalar . The above coordinate expressions remain valid for the standard coordinates in every inertial frame. Alternate notations There are a variety of notations for the d Alembertian. The most common is the symbol math scriptstyle Box math the four sides of the box representing the four dimensions of space time and the math scriptstyle Box 2 math which emphasizes the scalar property through the squared term much like the Laplacian . This symbol is sometimes called the quabla cf . nabla symbol . In keeping with the triangular notation for the Laplacian sometimes math scriptstyle Delta M math is used. Another way to write the d Alembertian in flat standard ... more details
In fluid dynamics , d Alembert s paradox or the hydrodynamic paradox is a contradiction reached in 1752 by French mathematician Jean le Rond d Alembert . ref Jean Le Rond d Alembert 1752 . ref D Alembert proved that for incompressible and viscosity inviscid potential flow the drag physics drag force is zero on a body moving with constant velocity relative to the fluid . ref name Grimberg2008 Grimberg, Pauls & Frisch 2008 . ref Zero drag is in direct contradiction to the observation of substantial drag on bodies moving relative to fluids, such as air and water especially at high velocities corresponding with high Reynolds number s. D Alembert, working on a 1749 Prize Problem of the Berlin Academy on flow drag, concluded It seems to me that the theory potential flow , developed in all possible rigor, gives, at least in several cases, a strictly vanishing resistance, a singular paradox which I leave to future Geometer s to elucidate . ref Reprinted in Jean le Rond d Alembert 1768 . ref A physical paradox indicates flaws in the theory. Fluid mechanics was thus discredited by engineers from the start, which resulted in an unfortunate split between the field of hydraulics , observing phenomena which could not be explained, and theoretical fluid mechanics explaining phenomena which could not be observed in the words of the Chemistry Nobel Laureate Cyril Norman Hinshelwood Sir Cyril Hinshelwood . ref Citation author M.J. Lighthill authorlink James Lighthill title Physics of gas flow at very high speeds journal Nature volume 178 page 343 year 1956 doi 10.1038 178343a0 bibcode 1956Natur.178..343. issue 4529 Report on a conference. ref According to scientific consensus , the occurrence of the paradox is due to neglect of the effects of viscosity . In conjunction with scientific experiments, there were huge advances in the theory of viscous fluid friction during the 19th century. With respect to the paradox, this culminated in the discovery and description of thin boundary laye ... more details
lowercase d Alembert Euler condition In mathematics and physics , especially the study of mechanics and fluid dynamics , the d Alembert Euler condition is a requirement that the Streamlines, streaklines and pathlines streaklines of a flow are irrotational . Let x x X , t be the coordinates of the point x into which X is carried at time t by a fluid flow. Let math ddot mathbf x frac D 2 mathbf x Dt math be the second material derivative of x . Then the d Alembert Euler condition is math mathrm curl mathbf x mathbf 0 . , math The d Alembert Euler condition is named for Jean le Rond d Alembert and Leonhard Euler who independently first described its use in the mid 18th century. It is not to be confused with the Cauchy Riemann equations Cauchy Riemann conditions . References cite book last Truesdell first Clifford A. authorlink Clifford Truesdell title The Kinematics of Vorticity year 1954 publisher Indiana University Press location Bloomington, IN See sections 45 48. http eom.springer.de c c020970.htm d Alembert Euler conditions on the Springer Encyclopedia of Mathematics DEFAULTSORT D alembert Euler Condition Category Fluid mechanics Category Mechanical engineering Category Vector calculus bs D Alembert Eulerov uslov ... more details
Unreferenced date November 2011 infobox Book See Wikipedia WikiProject Novels or Wikipedia WikiProject Books name D Alembert s Dream title orig Le R ve de d Alembert translator image prefer 1st edition image caption author Denis Diderot illustrator cover artist country France language French language French series genre publisher release date 1830 english release date media type pages isbn D Alembert s Dream lang fr Le R ve de d Alembert is an ensemble of three philosophical dialogues authored by Denis Diderot in 1769 and published in 1830 Conversation between d Alembert and Diderot D Alembert s Dream Continuation of the Conversation between d Alembert and Diderot In this work, Diderot is at the zenith of his development of materialism materialist theories. It is here that he introduces his theory on life and nature, indicating that matter is not fixed but that, on the contrary, subject to evolution . Each species in existence transforms itself and gives birth to a new species. He would later create a special version for his patroness, Catherine the Great Catherine II of Russia, replacing the certain character names. Both Julie de Lespinasse and D Alembert took poorly to being used as protagonists of the conversations. External links http records.viu.ca johnstoi diderot revedalembert tofc.htm Denis Diderot R ve d Alembert French and English texts Denis Diderot DEFAULTSORT Reve De Dalembert Category 1769 novels Category 1830 novels Category Novels by Denis Diderot fr Le R ve de D Alembert ... more details
Letter to D Alembert on the Theatre 1758 Lettre a M. d Alembert sur les Spectacles is an essay written by Jean Jacques Rousseau in opposition to an article published in the Encyclop die by Jean d Alembert , that proposed the establishment of a theatre in Geneva . More generally, it is a critical analysis of the effects of culture on morals, that clarifies the links between politics and social life. ref name fermon cite book title Domesticating Passions Rousseau, Woman, and Nation last Fermon first Nicole year 1997 publisher Wesleyan University Press location Hanover isbn 9780819563057 ref Rousseau relates the issue of a theatre in Geneva to the broader social context, warning of the potential the theatre has to corrupt the morality in society. ref name dent cite book title A Rousseau Dictionary last Dent first Nicholas year 1992 publisher Blackwell Publishers location Oxford isbn 9780631175698 ref The Letter is considered to be highly personally relevant to Rousseau, whose patriotism and affinity for Geneva shows through as he writes to defend his country from moral decay. By focusing on his belief in the natural order and harmony of traditional sex roles and community, Rousseau writes to convince d Alembert , and the public of Geneva , that a theatre is a threat to an ideal, natural way of life. ref name grimsley cite book title Jean Jacques Rousseau last Grimsley first Ronald year 1983 publisher The Harvester Press location Sussex isbn 9780389203780 ref Historical context Rousseau generally opposed the Age of Enlightenment Enlightenment thrust that was occurring during his lifetime. He sought to distance himself philosophically from the views that the universal use of reason, science, uninhibited freedom of thought, and increasing appreciation for the fine arts would make society a better place. Rousseau is often characterized as the Father of Romanticism , as he opposed Modernity and the Age of Enlightenment Enlightenment and glorified the heroic ethos of ancient ... more details
Wiktionarypar craterCrater may refer to In landforms Impact crater , caused by two celestial bodies impacting each other, such as a meteorite hitting a planet Volcanic crater or caldera , formed by volcanic activity Subsidence crater , from an underground usually nuclear explosion A maar crater, a relief crater caused by a phreatic eruption or explosion pit crater , a crater that forms through sinking of the surface and not as a vent for lava Crater lake Explosion crater , a hole formed in the ground produced by an explosion near or below the surface Machtesh , a crater like formation created by erosion. Other Crater, California , in Inyo County Cratering , when reindeer dig for lichens that sustain them in winter months Crater constellation Joseph F. Crater , a New York judge who mysteriously and famously disappeared in 1930 An alternate ancient name for the Crathis , a river of southern Italy Crater Yemen See also Krater , a Greek vessel used to mix wine and water the original meaning disambig af Krater bg bs Krater vor br Krater dishe velout ca Cr ter da Krater de Krater es Cr ter eo Kratero eu Krater argipen fr Crat re gl Cr ter ko hi hr Krater razdvojba it Cratere he sw Kasoko la Crater hu Kr ter egy rtelm s t lap nl Krater ja no Krater nds Krater pl Krater qu Kratir ru simple Crater disambiguation sl Krater fi Kraatteri t smennyssivu sv Krater th Crater tr Krater uk ... more details
Infobox animanga Header name The Crater image File Crater 1.jpg 230px caption Cover of The Crater volume 1 from the Osamu Tezuka Manga Complete Works edition ja kanji ja romaji Za Kureetaa genre Horror fiction Horror , Mystery fiction Mystery , Science Fiction Infobox animanga Print type manga author Osamu Tezuka publisher Akita Shoten demographic Sh nen manga Sh nen magazine Weekly Sh nen Champion first August 10, 1969 last April 1, 1970 volumes 3 volume list Infobox animanga Footer nihongo The Crater Za Kur t is a manga by Osamu Tezuka that began serialization in 1969. Plot The Crater is a collection of self contained short stories that follow a wide range of themes. From Horror to Mystery to Science Fiction, each story focuses on different characters in different settings. Some stories have happy endings, while others do not, and only two characters appear in more than one story the boy Okuchin and Osamu Tezuka himself. In a similar tradition as The Twilight Zone 1959 TV series The Twilight Zone , each story has a kind of message presented to the reader via unique ... of bells that will not let them forget. When it ended, The Crater had a total of 17 Episodes. However ... and must fulfill her part of the bargain to the local god. Man in the Crater An astronaut exploring the moon falls into a crater, breaking his back. He watches as his partners leave him ... mist forms on the floor of the crater when the sun goes down. This mist turns him into an immortal ... Osamu Tezuka Osamu Tezuka s Star System References Reflist Tezuka, Osamu The Crater, vol. 1 , Sh nen Champion Comics, Akita Shoten, 1970, printed in Japan br Tezuka, Osamu The Crater, vol. 2 , Sh nen Champion Comics, Akita Shoten, 1970, printed in Japan br Tezuka, Osamu The Crater, vol. 1 , Akita ... m071 m071 01.html The Crater manga page at TezukaOsamu World en icon http ja.tezuka.co.jp manga sakuhin m071 m071 01.html The Crater manga page at TezukaOsamu World ja icon DEFAULTSORT Crater, The Category ... more details
lunar crater data latitude 47.2 N or S N longitude 175.9 E or W E diameter 62 km depth Unknown colong 177 eponym Richard Scott Perkin Richard S. Perkin Perkin is a Moon lunar impact crater that is located in the northern sphere hemisphere on the Moon s Far side Moon far side . Just to the southeast is the somewhat smaller cater Guillaume crater Guillaume , and to the west southwest lies Dun r crater Dun r . To the northwest of Perkin is the large walled plain D Alembert crater D Alembert . This is a worn and eroded crater formation with an outer rim that has been reshaped by several subsequent impacts. Laid along the inner wall to the east northeast is a small crater. Small craterlets lie along the southern inner wall and the northwestern rim. Several smaller craterlets cut across the rim along the southwest and north. References Lunar crater references Category Impact craters on the Moon Moon crater stub fa ... more details
lunar crater data latitude 58.1 N or S N longitude 160.9 E or W E diameter 76 km depth Unknown colong 200 eponym Issei Yamamoto Yamamoto is a damaged Moon lunar Impact cratercrater that is located to the north of the large walled plain D Alembert crater D Alembert . To the north northeast is the crater Avogadro crater Avogadro . This feature lies on the northern sphere hemisphere of the Moon s Far side Moon far side . Several parts of the crater rim are overlain by subsequent impacts, particularly along the northeastern section which has been almost completely obliterated. The southwest part of the floor is more irregular than the remainder of the interior, and may have been overlain by ejecta from D Alembert or elsewhere. The northeastern floor is relatively level and featureless. Satellite craters 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 Yamamoto. class wikitable width 25 style background eeeeee Yamamoto width 25 style background eeeeee Latitude width 25 style background eeeeee Longitude width 25 style background eeeeee Diameter align center W align center 62.6 N align center 155.5 E align center 50 km References Lunar crater references Category Impact craters on the Moon Moon crater stub de Yamamoto Mondkrater fa it Yamamoto cratere ... more details
lunar crater data latitude 63.1 N or S N longitude 164.9 E or W E diameter 139 km depth Unknown colong 170 eponym Amedeo Avogadro Avogadro is an ancient moon lunar Impact cratercrater that is located in the northern sphere hemisphere on the Far side Moon far side of the Moon . The formation has been heavily worn and eroded by subsequent impacts, so that the rim is now little more than a rounded edge surrounding the crater depression. The crater floor is equally worn, being covered in a multitude of smaller craters of various sizes. Many of these smaller craters have also been eroded, leaving little more than a faint trace on the surface. Nearby craters of note include Tikhov lunar crater Tikhov , which is nearly attached to the southeast rim, Oberth crater Oberth to the west, and Schjellerup crater Schjellerup to the north northwest. To the south southwest is the crater Yamamoto crater Yamamoto , and farther to the south is the large walled plain D Alembert crater D Alembert . Satellite craters 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 Avogadro. class wikitable width 25 style background eeeeee Avogadro width 25 style background eeeeee Latitude width 25 style background eeeeee Longitude width 25 style background eeeeee Diameter align center D align center 64.4 N align center 169.5 E align center 20 km References Lunar crater references Moon crater stub Category Impact craters on the Moon bg da Avogadro m nekrater de Avogadro Mondkrater fa fr Avogadro crat re ... more details
lunar crater data latitude 52.9 N or S N longitude 175.6 E or W E diameter 36 km depth Unknown colong 174 eponym John Cobb Cooper Cooper is a Moon lunar Impact cratercrater that is located in the northern sphere hemisphere on the Far side Moon far side of the Moon . It lies to the east of the large walled plain D Alembert crater D Alembert , and west southwest of the crater Chappell crater Chappell . This crater formation has been heavily worn and eroded by impact erosion. Little remains of the original rim, although its form can still be traced across the surface. Multiple small craters lie across the rim and inner wall, leaving a ring shaped formation of ridges in the lunar terrain. The interior floor is slightly less rough than the surrounding surface, with a cluster of small craterlets near the northeast inner wall. Satellite craters 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 Cooper. class wikitable width 25 style background eeeeee Cooper width 25 style background eeeeee Latitude width 25 style background eeeeee Longitude width 25 style background eeeeee Diameter align center G align center 52.6 N align center 178.5 E align center 20 km align center K align center 51.1 N align center 178.1 E align center 30 km References Lunar crater references Moon crater stub Category Impact craters on the Moon da Cooper m nekrater fa it Cooper cratere ... more details
lunar crater data latitude 43.8 N or S N longitude 171.5 E or W E diameter 85 km depth Unknown colong 190 eponym Seth Carlo Chandler Seth C. Chandler Chandler is a moon lunar Impact cratercrater that is located in the northern hemisphere , on the Moon s Far side Moon far side . It lies to the southeast of the large walled plain D Alembert crater D Alembert , and southeast of the slightly smaller crater Chernyshev crater Chernyshev . This is a heavily worn and eroded crater that is now essentially a wide, irregular depression in the rugged lunar surface. Attached to the outer south southwest rim is the slightly smaller but equally worn Chandler P. Multiple small craters lie along the rim and inner wall of Chandler, but the northern part of the rim has been nearly obliterated by a cluster of small impacts. There is also seemingly a chain of impacts that run across the crater mid point, with a double impact in the western half and a chain of three impacts in the eastern half. The remainder of the floor is somewhat irregular, with multiple tiny craters and a pair of small impacts near the southern rim. Satellite craters 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 Chandler. class wikitable width 25 style background eeeeee Chandler width 25 style background eeeeee Latitude width 25 style background eeeeee Longitude width 25 style background eeeeee Diameter align center G align center 43.3 N align center 175.8 E align center 33 km align center P align center 41.7 N align center 170.3 E align center 67 km align center Q align center 41.2 N align center 169.2 E align center 16 km align center U align center 45.5 N align center 166.7 E align center 14 km References Lunar crater references Category Impact craters on the Moon da Chandler m nekrater fa it Chandler cratere ... more details
lunar crater data latitude 47.3 N or S N longitude 174.2 E or W E diameter 58 km depth Unknown colong 186 eponym Nikolaj G. Chernyshev Chernyshev is a Moon lunar impact crater that is located in the northern part of the Moon s Far side Moon far side . It lies to the northeast of the crater Chandler crater Chandler , and to the southeast of the walled plain D Alembert crater D Alembert . The rim of this crater has been worn by impacts, and multiple tiny craters lie along the rim. The southern part of the rim in particular has been more heavily eroded and modified by impacts compared to the northern part of the perimeter. The interior floor is more heavily impacted in the eastern half when compared to the west, although even the later region is not free of small impacts. The floor is otherwise relatively level and lacks a central peak or significant ridges. Satellite craters 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 Chernyshev. class wikitable width 25 style background eeeeee Chernyshev width 25 style background eeeeee Latitude width 25 style background eeeeee Longitude width 25 style background eeeeee Diameter align center B align center 48.5 N align center 175.7 E align center 20 km References Lunar crater references Moon crater stub Category Impact craters on the Moon da Chernyshev m nekrater fa it Chernyshev cratere ... more details
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