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sexta-feira, 10 de agosto de 2012

400 thousand galaxies

If you observe the sky using appropriated techniques, telescopes and enough time, perhaps you will be able to determine the position of 400 thousand galaxies. Then, if you feel like, you can plot all this positions in a 3D space, to, who knows maybe, create a video showing the immense size of the universe, just like this one below.

Ok, done. Now let's go back to our big and important worries in our small blue ball, yes?

--- Links
Sloan Digital Sky Survey III