Skip to main content

Main Page Navigation menuTweetRSS feedSubscribeRSS feed+/−

Commons-en


Upload












Main Page




From Wikimedia Commons, the free media repository






Jump to navigation
Jump to search










Wikimedia Commons
a collection of 52,844,027 freely usable media files to which anyone can contribute


Images



Sounds



Videos



Upload







Picture of the day



Hubble Peers into the Storm (29563971405).jpg



The nebula N159 in the Large Magellanic Cloud
 









Media of the day





File:The Lonedale Operator.webmPlay media

Magnify-clip (sans arrow).svg




The Lonedale Operator is a 1911 silent short by D. W. Griffith, featuring Blanche Sweet and notable for its use of a close up.
 
Problems playing the file?









Participating


 



Monthly photo challenge


Generic Camera Icon.svg
Take some photos and upload them to meet our monthly thematic challenge, get inspiration and try new subjects! Learn more about the challenges!
 Check out this month's challenges





Highlights


If you are browsing Commons for the first time, you may want to start with Featured pictures, Quality images or Valued images.

You can also see some work created by our highly skilled contributors in Meet our photographers and Meet our illustrators. You may also be interested in Picture of the Year.






Content




Wikimedia-logo black.svg



























Wikipedia

Wikipedia
Encyclopedia

Wikinews

Wikinews
Open journalism

Wiktionary

Wiktionary
Dictionary & thesaurus

Wikibooks

Wikibooks
Textbooks & manuals

Wikiquote

Wikiquote
Quotations

Wikispecies

Wikispecies
Species directory

Wikiversity

Wikiversity
Learning tools

Wikivoyage

Wikivoyage
Travel guide

Wikisource

Wikisource
Source texts

Wikidata

Wikidata
Knowledge base

Meta-Wiki

Meta-Wiki
Coordination

MediaWiki

MediaWiki
Wiki software development





  • Afrikaans

  • Alemannisch

  • aragonés

  • Ænglisc

  • العربية

  • asturianu

  • авар

  • Boarisch

  • беларуская

  • беларуская (тарашкевіца)‎

  • български

  • भोजपुरी

  • Bahasa Banjar

  • বাংলা

  • brezhoneg

  • bosanski

  • català

  • Mìng-dĕ̤ng-ngṳ̄

  • کوردی

  • čeština

  • Cymraeg

  • dansk

  • Deutsch

  • Zazaki

  • Ελληνικά

  • English

  • Esperanto

  • español

  • eesti

  • euskara

  • estremeñu

  • فارسی

  • suomi

  • føroyskt

  • français

  • Frysk

  • Gaeilge

  • galego

  • ગુજરાતી

  • 客家語/Hak-kâ-ngî

  • עברית

  • हिन्दी

  • hrvatski

  • hornjoserbsce

  • magyar

  • հայերեն

  • interlingua

  • Bahasa Indonesia

  • íslenska

  • italiano

  • 日本語

  • ქართული

  • қазақша

  • ភាសាខ្មែរ

  • ಕನ್ನಡ

  • 한국어

  • 조선말

  • kurdî

  • Latina

  • Lëtzebuergesch

  • lietuvių

  • latviešu

  • Malagasy

  • македонски

  • മലയാളം

  • मराठी

  • Bahasa Melayu

  • Malti

  • Mirandés

  • မြန်မာဘာသာ

  • مازِرونی

  • Nāhuatl

  • Napulitano

  • Plattdüütsch

  • Nedersaksies

  • नेपाली

  • Nederlands

  • norsk nynorsk

  • norsk

  • occitan

  • ଓଡ଼ିଆ

  • Ирон

  • ਪੰਜਾਬੀ

  • Kapampangan

  • Picard

  • polski

  • پښتو

  • português

  • Runa Simi

  • română

  • русский

  • संस्कृतम्

  • sicilianu

  • Scots

  • srpskohrvatski / српскохрватски

  • සිංහල

  • Simple English

  • slovenčina

  • slovenščina

  • Soomaaliga

  • shqip

  • српски / srpski

  • Seeltersk

  • Basa Sunda

  • svenska

  • ślůnski

  • தமிழ்

  • тоҷикӣ

  • ไทย

  • Tagalog

  • Türkçe

  • удмурт

  • українська

  • اردو

  • vèneto

  • Tiếng Việt

  • Volapük

  • Winaray

  • ייִדיש

  • Yorùbá

  • 粵語

  • 文言

  • 中文(简体)‎

  • 中文(繁體)‎

  • Bân-lâm-gú

  • +/−











Retrieved from "https://commons.wikimedia.org/w/index.php?title=Main_Page&oldid=343113363"










Navigation menu



























(window.RLQ=window.RLQ||[]).push(function()mw.config.set("wgPageParseReport":"limitreport":"cputime":"0.260","walltime":"0.323","ppvisitednodes":"value":4711,"limit":1000000,"ppgeneratednodes":"value":0,"limit":1500000,"postexpandincludesize":"value":134091,"limit":2097152,"templateargumentsize":"value":30093,"limit":2097152,"expansiondepth":"value":18,"limit":40,"expensivefunctioncount":"value":5,"limit":500,"unstrip-depth":"value":0,"limit":20,"unstrip-size":"value":0,"limit":5000000,"entityaccesscount":"value":0,"limit":400,"timingprofile":["100.00% 160.437 1 -total","100.00% 160.437 1 Template:Main_Page_Template"," 40.43% 64.871 1 Template:Lang-mp"," 39.49% 63.364 128 Template:Lang"," 28.74% 46.115 125 Template:Lang-mp-loader"," 22.36% 35.874 1 Main_Page/motd"," 14.69% 23.566 1 Main_Page/potd"," 14.05% 22.537 128 Template:Nowrap"," 8.23% 13.207 1 Template:Motd/2019-03-28_(en)"," 6.10% 9.794 1 Template:Motd_description"],"cachereport":"origin":"mw1324","timestamp":"20190328001036","ttl":3600,"transientcontent":true);mw.config.set("wgBackendResponseTime":136,"wgHostname":"mw1257"););

Popular posts from this blog

Trouble understanding the speech of overseas colleaguesHow can I better understand manager or clients with strong accents?Adding more movement and speech at the fundamental level to a highly-sedentary job?Difficulty in understanding Manager's accent(language and communication)How to adjust yourself where your colleagues are not understanding to you?Understanding manager's expectationsForeigner and colleagues using slangHaving difficulty understanding meetingsHow do you breathe when giving a speech?Trouble Waking Up for Emergencies (On-Call)Problems with colleaguesColleagues feeling insecure when I do my work

Are student evaluations of teaching assistants read by others in the faculty?Do teaching evaluations lead to lower standards in class?How can one learn from poor teaching evaluations?From which level of education, is it better to choose teacher assistants?Does better learning affect teaching evaluations? If so, how?Alternatives to relying solely on student evaluations of teaching to help administrators more accurately assess teaching effectivenessHow to handle communication about the class outside of the official channels, when I am a TA for a class that a friend is taking?What should I do as a TA if the instructor is not teaching properly?Are teaching assistants responsible for grading assignments not in their course?My students compliment my teaching and say they now approach the subject with newfound enthusiasm. Can I ask them to put this in writing?How to get teaching evaluations for a course as a TA / Co-instructor

Is the concept of a “numerable” fiber bundle really useful or an empty generalization?Non trivial vector bundle over non-paracompact contractible spaceExample of fiber bundle that is not a fibrationGlobalising fibrations by schedulesFiber bundle = principal bundle + fiber?Numerable covers from the point of view of Grothendieck topologiesGlobal sections for torus fiber bundleAre there analogs of smooth partitions of unity and good open covers for PL-manifolds?Two natural maps asssociated with the nerve of a coverDescent theory, fibrations, and bundlesIn which sense are Euler-Lagrange PDE's on fiber bundles quasi-linear?What is the local structure of a fibration?Complete proof of Homotopy invariance of a numerable fiber bundle based on CHPLocally trivial fibration over a suspension