MILKY WAY GALAXY
The Milky Way galaxy is our home galaxy. It is a kind of spiral galaxy where solar system, including the Sun, the planets, asteoroids, comets along with billions of small celestial bodies are found.
WHAT IS THE CENTER OF MILKY WAY?
~ The center of Milky Way galaxy is a supermassive black hole known as Sagittarius A*. This black hole was discovered in 1974 by Bruce Balick and Robert L. Brown.
Sagittarius A* can be seen in the night sky using radio telescopes within the constellation Sagittarius - a constellation discovered by Ptolemy. This black hole is so massive that it's literally equivalent to more than four million suns compressed altogether.