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Visible-light image of the dwarf galaxy from which signal FRB121102 is emanating.
Visible-light image of the dwarf galaxy from which signal FRB121102 is emanating.

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    Mysterious radio signal traced to dwarf galaxy

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Mysterious radio signal traced to dwarf galaxy

Researchers have tracked a mysterious radio signal to a tiny galaxy 3 billion light-years from Earth.

Mysterious radio signal traced to dwarf galaxy

Researchers have tracked a mysterious radio signal to a tiny galaxy 3 billion light-years from Earth.