Unknown entity: The size and substance of the Lyman-alphablob 'Himiko' are a mystery to astronomers.
From The Daily Mail:
You'd think that astronomers would have a more scientific term for such a discovery, but the 'blob' in this image is so far away that its contents remain a mystery.
One of the most distant objects in our universe, the blob is 12.9billion light years away, and 55,000 light years wide, making it nearly ten times the mass of galaxies of a similar age.
The Lyman-alpha blob, named 'Himiko', after an ancient Japanese queen, is believed to have been formed when the universe was relatively young.
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