Sun-Earth Day

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Sun-Earth Day is a joint educational program established in 2000 by NASA and ESA. The goal of the program is to popularize the knowledge about the Sun, and the way it influences life on Earth, among students and the public.[1] The day itself is mainly celebrated in the United States near the time of the spring equinox. However, the Sun-Earth Day event actually runs throughout the year, with a different theme being chosen each year.[2]


The selection of each year's theme often corresponds to events for that year.[3] Every theme is supported by free educational plans for both informal and formal educators.[2] Here is a list of themes by year:

Sun-Earth Day (Themes)
Year Date Theme
2001 Having a Solar Blast
2002 Celebrate the Equinox
2003 Live from the Aurora
2004 Venus Transit
2005 Ancient Observatories Timeless Knowledge
2006 Eclipse: In a Different Light
2007 Living in the Atmosphere of the Sun
2008 Space Weather Around the World
2009 Our Sun, Yours to Discover
2010 Magnetic Storms
2011 March 19, 2011 Ancient Mysteries; Future Discoveries.[4]
2012 June 5, 2012 Transit of Venus[5]
2013 Solar Max – Storm Warning![6]
2014 [Data unknown/missing.]
2015 [Data unknown/missing.]
2016 [Data unknown/missing.]
2017 [Data unknown/missing.]


  1. ^ "Sun-Earth Day 2004: Transit of Venus". Science Scope. National Science Teachers Association. 27 (5): 34–41. Feb 2004. Archived from the original on 2012-11-29. Retrieved 2012-04-19.
  2. ^ a b "Sun Earth Day web page".
  3. ^ "Past Sun-Earth Days 2012". Retrieved 2012-04-19.
  4. ^ "Goddard Annual Sun-Earth Day Has a Tweeting Twist". NASA.
  5. ^ Thieman, James. "Venus Transit: About Sun-Earth Day 2012". Retrieved 2012-04-19.
  6. ^ "Solar Maximum 2013". NASA. Retrieved 2013-01-11.

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