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Top9 > Reference & Science
January 2000
Return to Current Data
List
Rank		 Overall
Web
Rank		 Astronomy & Space Unique
Visitors
(x000)
  1 203 nasa.gov 1,884
2 2,416 sgi-mars.com 220
3 2,743 space.com 194
  4 2,965 stsci.edu 177
  5 4,336 skypub.com 111
6 6,464 distantsuns.com 54
7 7,129 marspolarlander.com 46
8 7,279 starport.com 45
9 7,477 spacescience.com 43

  seds.org
  planetary.org
  celestron.com
  excelsis.com
  spaceflightnow.com
  spaceart.com
  amsmeteors.org
  eso.org
  spaceadventures.com

  Psychics & Astrology
  Education Resources
  General Science
  Organizations & Government
Top9.com - The Popularity Search Directory
 

*Multiple websites (only top-ranked site shown).
= exceeded prior ranking, = new to Top9 this month

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