Παρασκευή, 30 Σεπτεμβρίου 2011

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
2011 September 28
See Explanation.  Clicking on the picture will download
the highest resolution version available.
Violent Sunspot Group AR 1302 Unleashes a Flare
ΠΗΓΗ
http://apod.nasa.gov/apod/ap110928.html

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