How Big Is the Biggest Black Hole Sagittarius A
Close your eyes and let your mind drift to the dark heart of our galaxy. A gentle journey into the quiet giant that rules the Milky Way. Sagittarius A* is the supermassive black hole at the center of our galaxy, with a mass 4.3 million times that of our Sun. Its event horizon stretches 24 million kilometers across—about 17 times the size of the Sun. It is a "quiet" black hole, not actively consuming large amounts of material, making it a unique subject for studying the physics of black holes. Let the silent power of this cosmic giant carry you into a deep and restful sleep.
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