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Wednesday, November 20, 2013

Horsehead nebula. "Just off the top of the Hubble picture is the bright star system Sigma Orionis, composed of five incredibly luminous stars. Combined, they shine with the power of over 75,000 Suns! They are responsible for heating and exciting the gas...

Beautiful universe
Beautiful universe
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Horsehead nebula. "Just off the top of the Hubble picture is the bright star system Sigma Orionis, composed of five incredibly luminous stars. Combined, they shine with the power of over 75,000 Suns! They are responsible for heating and exciting the gas...
Horsehead nebula.  "Just off the top of the Hubble picture is the bright star system Sigma Orionis, composed of five incredibly luminous stars. Combined, they shine with the power of over 75,000 Suns! They are responsible for heating and exciting the gas...
Click here to download
Giant solar flare
Giant solar flare
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