This is the latest incarnation of the HDF video. The narration has been edited to include research from a paper in Physical Review Letters (2004) which puts the size of the universe at 46.5 billion light years, not 78 billion as I originally stated.
In the video narration, I round that value up to 47 billion light years. According the NASA the most recent estimate for 'earth like planets', which they conservatively estimated in our own Milky Way galaxy to be around between 40-50 Million.
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