Astronomers Discover Closest Black Hole to Earth Astronomers have discovered the closest black hole to Earth, which the researchers have dubbed Gaia BH1. The dormant black hole weighs about 10 times the mass of the Sun and is located about 1600 light-years away in the constellation Ophiuchus, makin
Astronomers using the International Gemini Observatory, operated by NSF’s NOIRLab, have discovered the closest-known black hole to Earth. This is the first unambiguous detection of a dormant stellar-mass black hole in the Milky Way. Its close proximity to Earth, a mere 1600 light-years away, offers an intriguing target of study to advance our understanding of the evolution of binary systems. Credit: International Gemini Observatory/NOIRLab/NSF/AURA/J. da Silva/Spaceengine/M.
Black holes are the most extreme objects in the universe. Supermassive versions of these unimaginably dense objects likely reside at the centers of all large galaxies. Stellar-mass black holes — which weigh approximately five to 100 times the mass of the Sun — are much more common, with an estimated 100 million in thealone.
Gaia is an ambitious mission to chart a three-dimensional map of our Galaxy, the Milky Way, in the process revealing the composition, formation and evolution of the Galaxy. Credit: ESA–D. Ducros, 2013 The first observation was carried out in July through a Center for Astrophysics telescope allocation using the 6.5m Magellan Baade telescope at Las Campanas Observatory in Chile.
The data from these observations brought the system into focus and ruled out all models not involving a black hole.
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