Sagittarius A*
3 reportsSagittarius A* is an astronomical object studied through its light, motion, composition, environment, and population context. Evidence comes from orbital properties, formation history, and spectral type, and competing models remain viable when observations are sparse or indirect.
The most informative angles on Sagittarius A* involve population context, together with orbital properties and formation history. Measured findings and claims about orbital properties are separated by comparing model comparison with multiwavelength observations; the strongest interpretation still recognizes that limited viewing geometry and indirect measurements can leave competing explanations.
The most informative angles on Sagittarius A* involve population context, together with orbital properties and formation history. Measured findings and claims about orbital properties are separated by comparing model comparison with multiwavelength observations; the strongest interpretation still recognizes that limited viewing geometry and indirect measurements can leave competing explanations.
Stellar Spin Explains Dimming Flares from Black Hole Encounters
Astronomers have modeled why repeated flares from stars grazing supermassive black holes fade over time, revealing that a star's rotation and binary history play a key role in the observed dimming
Fastest Known Star Orbits Milky Way's Black Hole in Under 9 Years
Astronomers using the Very Large Telescope Interferometer have identified S301, a star orbiting Sagittarius A* at record speed, offering a new opportunity to test general relativity near the Milky Way's supermassive black hole
Webb Telescope Detects Water and Dust Near Milky Way's Black Hole
Astronomers using the James Webb Space Telescope have identified water and silicate dust around a dying star less than 0.6 light-years from Sagittarius A*, challenging assumptions about molecule survival near supermassive black holes