vendredi 10 mai 2013

This Diagram is Better than 183,487 Images



Hertzsprung-Russell Diagram.

Editor’s Note: This guest post was written by Markus Pössel, a theoretical physicist turned astronomical outreach scientist. He is the managing scientist at the Centre for Astronomy Education and Outreach “Haus der Astronomie” in Heidelberg, Germany.


by NANCY ATKINSON on MAY 9, 2013

Read more: http://www.universetoday.com/102035/this-diagram-is-better-than-183487-images/#ixzz2SvKTJL5c

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