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Astrophysical X-ray source
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Proxima Centauri
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TBD
Nearest star to the Solar System
Sagittarius A*
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TBD
Supermassive black hole at the center of the Milky Way
Coma Cluster
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TBD
Cluster of galaxies in the constellation Coma Berenices
Pleiades
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TBD
Star cluster in the constellation of Taurus
Messier 87
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TBD
Galaxy in the constellation Virgo
NGC 6251
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TBD
Seyfert galaxy in the constellation Ursa Minor
Messier 106
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TBD
Galaxy in the constellation Canes Venatici
Small Magellanic Cloud
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TBD
Dwarf irregular galaxy, satellite galaxy of the Milky Way
Triangulum Galaxy
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TBD
Spiral galaxy in the constellation Triangulum