A Quote by Subrahmanyan Chandrasekhar
The black holes of nature are the most perfect macroscopic objects there are in the universe: the only elements in their construction are our concepts of space and time.
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Macroscopic objects, as we see them all around us, are governed by a variety of forces, derived from a variety of approximations to a variety of physical theories. In contrast, the only elements in the construction of black holes are our basic concepts of space and time. They are, thus, almost by definition, the most perfect macroscopic objects there are in the universe.
Black holes provide theoreticians with an important theoretical laboratory to test ideas. Conditions within a black hole are so extreme, that by analyzing aspects of black holes we see space and time in an exotic environment, one that has shed important, and sometimes perplexing, new light on their fundamental nature.
Black holes are very exotic objects. Technically, a black hole puts a huge amount of mass inside of zero volume. So our understanding of the center of black holes doesn't make sense, which is a big clue to physicists that we don't have our physics quite right.
Metaphysics is the study of the most general nature and basic structure of reality, and therefore the concepts of metaphysics, concepts like time, space, identity, resemblance, substance, property, fact, event, composition, possibility, etc., are the most fundamental concepts. Thus metaphysics is the most fundamental theoretical discipline.
A lot of the things you see in science fiction revolve around black holes because black holes are strong enough to rip the fabric of space and time.
Things changed with the discovery of neutron stars and black holes - objects with gravitational fields so intense that dramatic space and time-warping effects occur.
The progress of science has always been the result of a close interplay between our concepts of the universe and our observations on nature. The former can only evolve out of the latter and yet the latter is also conditioned greatly by the former. Thus in our exploration of nature, the interplay between our concepts and our observations may sometimes lead to totally unexpected aspects among already familiar phenomena.
Gravitational waves will bring us exquisitely accurate maps of black holes - maps of their space-time. Those maps will make it crystal clear whether or not what we're dealing with are black holes as described by general relativity.
Gravitational waves will bring us exquisitely accurate maps of black holes - maps of their space-time. Those maps will make it crystal clear whether or not what were dealing with are black holes as described by general relativity.
How do you observe something you can't see? This is the basic question of somebody who's interested in finding and studying black holes. Because black holes are objects whose pull of gravity is so intense that nothing can escape it, not even light, so you can't see it directly.
A flower is not a flower. It is made only of non-flower elements - sunshine, clouds, time, space, earth, minerals, gardeners, and so on. A true flower contains the whole universe. If we return any one of these non-flower elements to its source, there will be no flower.
At our company, our Design and Construction Consulting Service Team not only helps eliminate the risks inherent in the construction process, they typically save our clients 5% - 10% on overall construction costs. They also help make sure projects come in on time.
At the same time, new concepts and abstractions flow into the picture, taking up the task of describing the universe without reference to such time or space - abstractions for which our language lacks adequate terms.
Paintings are seldom guilty and often framed for crimes they did not commit. Some cover holes-holes in walls, holes in lives. Some make holes-in wallets, holes in hearts...in negative space.
Finding the first seed black holes could help reveal how the relation between black holes and their host galaxies evolved over time.
With the certitude of a true believer, Vellya Paapen had assured the twins that there was no such thing in the world as a black cat. He said that there were only black cat chaped holes in the universe.
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