<p>NASA EDGE celebrates Sun Earth Day 2011 with the twitterazzi and a few of our favorite solar scientists!  SPF approved.</p>

NASA EDGE celebrates Sun Earth Day 2011 with the twitterazzi and a few of our favorite solar scientists! SPF approved.

<p>NASA EDGE celebrates Sun Earth Day 2011 with the twitterazzi and a few of our favorite solar scientists! &nbsp;SPF approved.</p>

Live Sun-Earth Day 2011

NASA EDGE is different. Unscripted and unpredictable, NASA EDGE takes a unique look in and around the greatest space program on the planet.

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