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Why do black holes get more dangerous as more stuff falls into them?
Anything that falls into a black hole becomes part of that black hole's mass, which makes the gravity stronger and causes the event horizon to grow larger.
Is it more correct to say that a Black Hole has infinite mass or infinite gravity?
A black hole has infinite density.
Why does the super massive black hole have more gravity?
Quite simply it has more mass. The more mass an object has, the more gravity it will have.
How can scientists determine the mass of a black hole?
Scientists can determine the mass of a black hole through various methods, including observing the orbits of objects around the black hole, analyzing the gravitational lensing effects of the black hole on light, and studying the X-ray emissions from material falling into the black hole. These observations help scientists calculate the mass of the black hole based on the influence it has on its surroundings.
Why is the gravity of the black hole so large?
The gravity of an object depends on its mass, and on the distance to the object. In a black hole, the mass is concentrated in a very small space. That means that IF YOU GET VERY NEAR the black hole, the gravity will be enormous. But at any given distance, the gravity of a black hole will not be larger than the gravity of any other object of the same mass.Also, note that some black holes have a huge mass - in extreme cases, more than ten billion times the mass of the Sun. In that case, the huge gravity is due to the huge mass.
Why does a black hole have more gravity then the star it once was despite having the same or less matter?
This is a common cause of confusion. In a way, if no mass got lost in the creation of a black hole, then it will have exactly the same gravity than before. For example, if our Sun converted to a black hole (not that it is planning to do so...), our Earth would continue orbiting this black hole, in the same orbit as before. What makes a black hole different is that the mass is very concentrated; so, it is possible to get much closer to the black hole - and remember that gravity gets stronger at shorter distances.
What is black hole?
If enough matter gets concentrated into an area that is small enough, gravity can become so strong in the immediate surroundings that nothing can escape from that area. That is called a "black hole". For more information, read the Wikipedia article with the title "black hole".
Which has the most depth a black hole or a ocean?
A black hole doesn't have depth. Despite it being called a "hole", it is actually a spherical object that has a singularity at it's centre (where gravity and mass is infinite), and an event horizon that marks the point at which the force of gravity is so strong that not even light can escape. If, by "depth" you meant "diameter", the answer still isn't certain since the diameter of a black hole depends on it's mass (which can be almost anything).
What is 'black-hole'?
If enough matter gets concentrated into an area that is small enough, gravity can become so strong in the immediate surroundings that nothing can escape from that area. That is called a "black hole". For more information, read the Wikipedia article with the title "black hole".
How do astronomers measure the mass of a supermassive black hole?
By observing the movement of nearby objects. The gravity of the black hole will accelerate such an object according to Newton's Second Law (F=ma). More specifically, the details of the orbit of a star that moves around the black hole will vary, depending on the black hole's mass.
Are black holes the strongest object in space?
That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.
How does gravity escape a black hole and affect the surrounding space-time?
When an object falls into a black hole, it adds to the mass of the black hole, increasing its gravitational pull. This affects the surrounding space-time by warping it even more, causing objects nearby to be pulled in as well. Gravity from a black hole does not "escape" in the traditional sense, but rather continues to influence the space-time around it, shaping the movement of objects in its vicinity.
