#TBT - MAY 31, 2012 - COLLISION OF THE LOCAL GROUP GALACTIC TITANS

Hey Space Placers!

Enjoy this #TBT video and story.



Visualization: NASA, ESA, and F. Summers (STScI); 
Simulation: NASA, ESA, G. Besla (Columbia University), and R. van der Marel, and J. Anderson (STScI)


Sky Guy Greg

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