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  1. The European Southern Observatory announces the discovery of Earth's closest-known black hole. The invisible object in the QV Telescopii system has a mass at least four times that of our Sun, and is roughly 1,000 light years (10 quadrillion km) from Earth in the Constellation Telescopium.
  2. The European Southern Observatory announces the discovery of Earth's closest-known black hole (QV Telescopii, also known as HR 6819). The invisible object in the QV Telescopii system has a mass at least four times that of our Sun, and is roughly 1,000 light years (10 quadrillion km) from Earth in the constellation Telescopium.
  3. The European Southern Observatory announces the discovery of Earth's closest-known black hole (HR 6819). The invisible object in the QV Telescopii system has a mass at least four times that of our Sun, and is roughly 1,000 light years (10 quadrillion km) from Earth in the constellation Telescopium.

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