Astronomers Captured super massive black hole Sgr A*

       Credit - Google || Image Taken From flickr.com               

For the past few decades, astronomers have been debating the existence of a black hole at the center of our galaxy. This black hole, which has never been directly observed and is only detected through its gravitational effects on nearby stars, has been named Sagittarius A-star (Sgr A-star). While it was initially assumed that Sgr A-star was just an average supermassive black hole with about 4 million times the mass of our sun, recent observations suggest otherwise – namely that Sgr A-star has 10 million times the mass of our sun, making it one of the largest supermassive black holes known to date!

What is a black hole?

A black hole is an area where gravity has become so strong that not even light can escape it. We do not know exactly what happens inside black holes, but we think they are one possible end state for stars. If a star collapses under its own gravity enough, its center becomes so dense that nothing, not even light, can escape from it. And if something can't get out, neither can anything get in. This object is called a black hole. Note: A black hole is completely different from a vacuum or empty space! Don't confuse them! 

What could cause this black hole at the center of our galaxy?

Supermassive black holes are objects with incredible gravitational pulls, but what causes them to form in nature? Astronomers have discovered that there is a black hole located near or at our Milky Way galaxy’s center, and recently, it has become one of our most important tools for understanding how galaxies form. Sgr A* orbits around our galaxy’s center, and scientists are using it to better understand our galaxy. This supermassive black hole is thought to be close to 4 million times more massive than our sun, which is by far one of largest supermassive black holes ever discovered in terms of mass relative to its host galaxy.

What does it mean for us if there really is a black hole at the center of our galaxy?

According to astrophysicists, there is a supermassive black hole located at our galaxy's center. As you get closer to it, gravity becomes stronger and stronger until it has so much force that not even light can escape from its pull. The black hole itself is relatively quiet—it doesn't send out massive jets or gamma ray bursts like some other quasars (extremely bright objects in space) do. It's estimated that there are four million times more stars circling our galactic center than in all of our skies combined, but only around 1000 are thought to have entered into orbit around Sgr A*. Whether these stars have actually ended up being pulled in by gravity isn't known for sure yet, but it is possible.

Other topics to discuss on this topic

What is our galaxy composed of (stars, gas, dust, dark matter)? Where is it located in space? What's its shape? Why is our galaxy spherical (spheroidal)? How did it form in relation to other galaxies and clusters? How do we study it? How do black holes affect our galaxy and what are they formed from during early formation of the universe or from dying stars or other supernova explosions. Why do astronomers think there's one in our galaxy if we can't see one directly yet with current technology & theories about black holes why can't scientists already know for sure whether there is one or not. If no real evidence for its existence why does astronomy believe that there should be one.