On FB I get cat pictures, beach videos and pleas for help farming….sure there are some great folks there and we still have some great threads…but lots and lots of noise. On G+ I get  this.  What ever else Google has made possible, things like bring me back to a decades younger me watching Cosmos on PBS….only now I get to experience this with my kids, we can even ask questions, make comments, contribute if we got the gumption up to do so… +Fraser Cain and his band as astronuts have taken the promise of the interubes and fused it with the joy of exploring the vast wonder of our universe that Sagan once served up….I think even Ed Murrow would have found something good to say about the use of this medium. Hats off to all who make this possible. 
Fraser Cain started by wondering whether the view from a telescope could be streamed live into a Goo
