World of Change: Solar Activity, All Images
April 29, 1999
Earth Observatory
April 29, 2000
Earth Observatory
April 29, 2001
Earth Observatory
April 29, 2002
Earth Observatory
April 29, 2003
Earth Observatory
April 29, 2004
Earth Observatory
April 29, 2005
Earth Observatory
April 29, 2006
Earth Observatory
April 29, 2007
Earth Observatory
April 29, 2008
Earth Observatory
April 29, 2009
Earth Observatory
May 2, 2010
Earth Observatory