" It helps readers to better imagine the motionlessness of the moon in contrast to the movement of the dune grass." "
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According to the General Theory of Relativity, a black hole is a region of space from which nothing, not even particles that move at the speed of light, can escape because their velocity is less than the escape velocity of these infinitely dense celestial bodies . This is the result of the deformation of space-time, caused after the gravitational collapse of a massive star with at least 30 times the mass of the Sun in a supernova, and that soon after, will disappear, giving place to what Physics calls singularity, the heart of a black hole, where space-time ceases to exist. A black hole starts from a spherical surface called the event horizon, which marks the region from which, if something to cross, can not return. The black adjective in black hole is due to the fact that it was assumed that it did not reflect any part of the light that reaches its horizon of events, acting as if it were a perfect black body in thermodynamics, however, there is currently the theory of radiation Hawking, who briefly predicts that black holes are not really black, and emit radiation due to quantum effects such as quantum fluctuations.
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An Encyclopedia because it is a book or set of books giving information on many subjects or on many aspects of one subject and typically arranged alphabetically.
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Girlll he did the same.....he leaved me with depression.... N m feel like...no not feel like..m psychopath.... Why all brothers breaking their sisters heart!!!!!!!!!! I lost my voice out of crying.... My throat almost paining.... He just don't love me ....lair
