The Wikipedia Library/Kit/Reference desk

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The Wikipedia Library

Reference desk:
Ask other editors for help with a research question

The reference desk is a place where you can ask a question and Wikipedia volunteers will try to answer it.


Post a question and other Wikipedia editors will respond with answers and resources for you to learn more.


  • Include a descriptive title and sign your post (~~~~)
  • Please don't post personal contact information
  • We can't give medical or legal advice
  • Check back for responses or follow-up questions within a few days


Feel free to post a response to questions posed by other Wikipedians.


  • Try to provide sources or Wikipedia articles to back up your answer
  • Don't worry if you can't completely answer a question; partial responses are often helpful
  • Stay civil, friendly, helpful, and supportive!
  • Do not intentionally give biased answers as this is a place for learning and research not debates

Your request here![edit]

Sample request: Sky colour[edit]

Why is the sky blue? Questioner 21:28, 18 March 2015 (UTC)[reply]

Because of en:Rayleigh scattering; see HyperPhysics. WikiLibrarian 21:28, 18 March 2015 (UTC)[reply]