About this chapter Cite this chapter Backer, D.C. (1996). Diameter and Proper Motion of SGR A*. In: Blitz, L., Teuben, P. (eds) Unsolved Problems of the Milky Way. International Astronomical Union / Union Astronomique Internationale, vol 169. Springer, Dordrecht. https://doi.org/10.1007...
Sagittarius A*, a compact radio source at the center of the Milky Way is believed to be a supermassive black hole with a mass about 4.6 million times that of the sun. The Chandra observatory has also discovered that massive black holes were associated with galaxies that existed 13 billion ...
Situated in the LMC, a satellite galaxy of the Milky Way, WOH G64 stands out as one of the most massive and luminous red supergiants. The LMC, with its intriguing features like the Tarantula Nebula and the Ghost Head Nebula, provides a captivating backdrop for this celestial giant. ...