After more than a decade of charting the stars with extraordinary precision, the Gaia spacecraft has completed its mission.
The Small Magellanic Cloud, a dwarf galaxy about 200,000 light-years from the solar system, can be seen with the naked eye ...
Scientists have spotted a defiant galaxy. Located nearly 1 billion light-years from Earth, the galaxy 2MASX J23453268−0449256 ...
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