Monday, May 2, 2016

Blog #5: How Large Can A Black Hole Be?

The limit for a black hole does not exist, it can essentially be any size it wants.It can have any radius and mass.The size of a black hole is classified by the radius of the event horizon which is equal to the mass.They are usually classified as: Supermassive black holes, Intermediate-mass black holes,Stellar black holes, and Primoridal black holes. recently the largest black hole that astronomers have recorded, with a mass 18 billion times the mass of our sun.Keep in mind that our Sun's mass is 1.989 x 10 to the power of 30, which is 333,000 times the mass of the Earth. Interestingly it would take 1.3 million Earths to fill up the volume of the Sun.


Blog #4:Layers Of A Black Hole

A black hole has three layers, the outer and inner layer as one, an even horizon, and the singularity.
 The event horizon of the mass is the boundary around the mouth of the black hole where light loses the ability to escape.This reason not even light can't escape a black hole is because within the event horizon, space is curved  to the point where all directions are actually pointing inside, kind of like a funnel. Once a particle enters the event horizon it can't leave.
"...space is curved to the point where all directions are actually pointing inside"



The center of the black hole is called the singularity.This word basically means a squashed up star. This layer is also where gravity is the strongest.In a non-rotating black hole the singularity is a point, it has zero length, width, and zero height

Sunday, May 1, 2016

Blog #3: What if You Fall Into A BlackHole?

Manny in spaghetti form
If you head first into the mass, the pull from the gravity on your head will be stronger than it will on your lower half of the body. Keep in mind that light cannot escape the pull gravity. If the Black Hole is small falling head first will also stretch the whole body and you will be looking like spaghetti. Also keep in mind this lasts temporarily because you'll die within a few seconds.



If the black hole is big the pull of gravity will be even, but this doesn't mean you're not gonna die. You will most certainly die. If the black hole is big you won't be stretched like a piece of gum being pulled apart from both ends.Instead you'll get incinerated! Also the people who hopelessly screaming as you are being pulled away, will see you reach the end as you are being burned to a crisp.

Blog #2: What Is A Black Hole?


A black hole is a region of space time from which gravity prevents anything, including light, from escaping. The theory of general relativity predicts that a sufficiently compact mass will deform space time to form a black hole. Around a black hole, there is a mathematically defined surface called an event horizon that marks the point of no return. The hole is called black because it all light that hits the horizon can never escape.

The concept of a body mass being that massive that not even light can escape it was put forth by a geologist John Michell in a 1783 paper sent to the Royal Society. At that time work relating to Issac Newton's theory of gravity and the concept of escape velocity were well known.



After the black hole is formed it can continue to grow by absorbing mass by it's surroundings, absorbing stars and merging with other black holes.Supermassive black holes of millions of solar masses may form.There is a general consensus that supermassive black holes exist in the centers of most galaxies.

Friday, January 29, 2016

Blog #1: How Black Holes Form

   Black holes are formed when the center of a massive star collapses upon it itself, the collapse causes a supernova, a supernova is known as one of the biggest explosions in the space and can produce more energy than our sun in it's entire lifetime, and can completely outshine entire galaxies. Even after the explosion, if the core remaining after the explosion is massive no known repulsive force inside any star can push back strong enough to repel gravity from completely collapsing the core and turn it into a black hole.
   Black Holes are just a great amount of matter squeezed into a very-very small, it's a such a great gravitational force that not even light can escape it.Black Holes don't "suck," instead objects just fall into them.In fact if a star gets too close to one the poor star would get torn apart.