AstroAadhav's Blog

Ever looked up at the sky and wondered, what's the most mysterious thing in existence?  Today, we are looking at something we know very little about. In the modern world, we've been used to knowing that humanity has found, or known the majority of the things we observe in the world, and in the universe, but it's important to realize that there are many many more things in the world and in the universe alike that humanity has a whole still doesn't know about, and quasars are amongst them. What is a Quasar? A quasar, or quasi-stellar object (QSO) for short, is basically an extremely "luminous active galactic nucleus (AGN) in which a supermassive black hole with a mass ranging from millions to billions of times the mass of the sun is surrounded by a mostly gaseous accretion disk" [1]. Now, what does this all mean? In simple terms, a quasar is a black hole with a gaseous accretion disk of gas, dust, and other materials, which sits in the middle of super active gal...

Hi, Science/Astronomy Enthusiasts,  Today, we are going to be learning about what Dark Matter is. Many people get Black Holes and Dark Matter confused, but they are totally different concepts in Astronomy, and in some aspects, very similar also. The structure of this post is going to be what my post in black holes was like, a little bit of background, and then its detailed definition with an explanation. Now get ready to get blown away from all the fascinating facts about Dark Matter! Dark Matter's Background You might be thinking, Dark Matter sounds like something dark, and while literary, it might not be "dark" after all. We still don't know what dark matter is, but we do know it exists and that it has some unique properties. Sounds strange right, wait for it, there are many more interesting things about this. In its simplest terms, Dark Matter is an unknown form of matter created to solve the Missing Mass Problem, but to further understand Dark Matter, we have t...