Day: April 15, 2009

NASA Earth Day, 2009NASA Earth Day, 2009

April 15, 2009| Gary| 2 Comments| 4:13 pm

<p>NASA is inviting the public to vote online for the most important contribution the space agency has made to exploring Earth and improving the way we live on our home

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The Sun Now (Visible light)		The Sun Now (H-Alpha light)

Aurora Oval (Northern Hemisphere)		Aurora Oval (Southern Hemisphere)