Obs of a Prnnl Lrnr Obsrvr who happens to be a dctr
There is no cure for curiosity-D Parker
Thursday, 22 September 2016
The discovery of ever-bigger structures, for example the whopping 10 billion-light-years-wide arc of galaxies seen in 2013 and dubbed the Hercules-Corona Borealis Great Wall
The discovery of ever-bigger structures, for example the whopping 10 billion-light-years-wide arc of galaxies seen in 2013 and dubbed the Hercules-Corona Borealis Great Wall
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