A website directory and metasearch engine of Top 20 best websites
Top 20  
Online  
 
 
Add To Favorites Make this your Start Page Top 20 from A-Z
Top 20 Directory
 Listen to Music Now 
 Classical
 Country    Jazz
 Oldies    Top 40
 Easy    NPR
AccuRadio | Radio Tower
AOL |  Windows |  Launch

Top20Listen

META SEARCH:   
Google Yahoo MSN Ask Answers ixquick DMOZ
Wikipedia Encarta Hakia Cuil Clusty About      other
 ImagesGoogle Flickr AV PicSearch BlogsClusty Google
 VideoGoogle YouTube NewsGoogle Y! News Topix
 DirectoriesYahoo Google Alexa USA.gov Almanac Archive
    City Guide       State Guide Nation Guide
Weekly Diversions
Amazing Yodeler
Diamond Detective
Florence Nightengale
Stunning Facts
Fireman Power
Archive

Top20Diversions

 
Top 20 Directory:
Top : Kids_and_Teens : School_Time : Science : Scientists : Copernicus,_Nicolaus
Sites:
  • Copernicus: Polish Cleric and Astronomer: Short biography of the man behind the heliocentric theory.
  • Encarta: Copernicus, Nicolaus: Encyclopedia article provides an overview of the astronomer's early life, his education, and his revolutionary theory that the earth was not the center of the universe.
  • Nicholas Copernicus: Short biography and sketch from PBS.
  • Nicolaus Copernicus: Detailed biography examines Copernicus' dissatisfaction with the Ptolemaic system of astronomy and his theory that the earth actually revolved around the sun. Also includes portrait.
  • Starchild: Nicolaus Copernicus: Introduces the father of modern astronomy.
  • The Scientists: Nicolas Copernicus.: Short biographical article includes links to articles on related topics.
  • Windows to the Universe: Nicholas Copernicus: Three short biographies geared toward beginning, intermediate and advanced readers. Includes links to related articles.


    Listed links may put this banner on their website.

    Help build the largest human-edited directory on the web.
    Submit a Site  -  Open Directory Project  -  Become an Editor
    Terms and Conditions
    About Us
    Privacy Policy

    Processing Time: 0.02