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Astronomers Given Detailed Map of 1.7 Billion Stars

The European Space Agency has released an updated catalogue of more than 1.7 billion stars in our galaxy, as well as other celestial bodies, such as exoplanets, asteroids and quasars. The new data gives astronomers an unprecedented three-dimensional map for studying the origin of the universe and searching for habitable planets. VOA’s George Putic has more.

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