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Date : 1992-08-28
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Black hole Wikipedia ~ A black hole is a region of spacetime exhibiting gravitational acceleration so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole The boundary of the region from which no escape is possible is called the event horizon
What Is a Black Hole NASA ~ A black hole is a place in space where gravity pulls so much that even light cannot get out
Black Holes Science Mission Directorate ~ Dont let the name fool you a black hole is anything but empty space Rather it is a great amount of matter packed into a very small area think of a star ten times more massive than the Sun squeezed into a sphere approximately the diameter of New York City The result is a gravitational field so strong that nothing not even light can escape
What Is a Black Hole Science ~ Black holes are points in space that are so dense they create deep gravity sinks Beyond a certain region not even light can escape the powerful tug of a black holes gravity
black hole Definition Formation Facts Britannica ~ black hole in M87 Black hole at the centre of the massive galaxy M87 about 55 million lightyears from Earth as imaged by the Event Horizon Telescope EHT The black hole is 65 billion times more massive than the Sun This image was the first direct visual evidence of a supermassive black hole and its shadow
Black Holes Facts Theory Definition Space ~ Black holes are some of the strangest and most fascinating objects in outer space Theyre extremely dense with such strong gravitational attraction that even light cannot escape their grasp if
Black Holes Introduction NASA ~ Types of black holes Traditionally astronomers have talked about two basic classes of black hole – those with masses about 520 times that of the sun which are called stellarmass black holes and those with masses millions to billions times that of the sun which are called supermassive black holes
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