10. Himiko
Found Year: 2009.
Masami Ouchi found it.
Where: Himiko
The constellation Cetus, located around 12.9 billion years away from Earth, is home to the well-known Lyman-alpha blob that Masami Ouchi of the Carnegie Institution in Pasadena, California named after the Japanese shaman queen Himiko in the third century. The Milky Way is half the size of Himiko.
Himiko via NASA, JPL-Caltech, STScI, NAOJ, Subaru, and Wikimedia Commons
The fact that Himiko is the oldest known Lyman-alpha blob ever found in history and represents the by-now-defined primordial Lyman-alpha blob is what makes it so fascinating and unique.
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