GENERAL KNOWLEDGE

Detailed explanation-1: -Astronomers believe that supermassive black holes lie at the center of virtually all large galaxies, even our own Milky Way. Astronomers can detect them by watching for their effects on nearby stars and gas. This chart shows the relative masses of super-dense cosmic objects.

Detailed explanation-2: -Sagittarius A* (/ˈeɪ stɑːr/ AY star), abbreviated Sgr A* (/ˈsædʒ ˈeɪ stɑːr/ SAJ AY star), is the supermassive black hole at the Galactic Center of the Milky Way.

Detailed explanation-3: -They may have been created by the gravitational collapse of giant gas clouds from which galaxies were formed, or from the merger of many smaller black holes over time. Another possibility is that one simply grew over billions of years by steadily devouring orbiting stars.

Detailed explanation-4: -The singularity at the center of a black hole is the ultimate no man’s land: a place where matter is compressed down to an infinitely tiny point, and all conceptions of time and space completely break down. And it doesn’t really exist. Something has to replace the singularity, but we’re not exactly sure what.