Although I'm a one post noob, and you're a venerated member of the PF community, I have to say your attitude isn't very cool. Instead of wasting the thirty seconds it took you to point out that you were wasting time, you could have ignored the post altogether, OR you could have used google.
http://alignment2012.com/whatisga.htm
That's literally the first thing that comes up for me in google. It references actual astronomy. The accuracy of the source is always up for debate. This is a great place for sorting that kind of thing out.
And yes, it's meaningless. But it's meaningless the same way any observation of nature is
meaningless...